Merge remote-tracking branch 'remotes/ericb/tags/pull-nbd-2020-05-04' into staging
nbd patches for 2020-05-04
- reduce client-side fragmentation of NBD trim and status requests
- fix iotest 41 when run in deep tree
- fix socket activation in qemu-nbd
# gpg: Signature made Mon 04 May 2020 22:12:21 BST
# gpg: using RSA key 71C2CC22B1C4602927D2F3AAA7A16B4A2527436A
# gpg: Good signature from "Eric Blake <eblake@redhat.com>" [full]
# gpg: aka "Eric Blake (Free Software Programmer) <ebb9@byu.net>" [full]
# gpg: aka "[jpeg image of size 6874]" [full]
# Primary key fingerprint: 71C2 CC22 B1C4 6029 27D2 F3AA A7A1 6B4A 2527 436A
* remotes/ericb/tags/pull-nbd-2020-05-04:
block/nbd-client: drop max_block restriction from discard
block/nbd-client: drop max_block restriction from block_status
iotests/041: Fix NBD socket path
tools: Fix use of fcntl(F_SETFD) during socket activation
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index 8aa8efa..1f84e3a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -184,8 +184,8 @@
F: include/hw/net/lasi_82596.h
LM32 TCG CPUs
-M: Michael Walle <michael@walle.cc>
-S: Maintained
+R: Michael Walle <michael@walle.cc>
+S: Orphan
F: target/lm32/
F: disas/lm32.c
F: hw/lm32/
@@ -977,13 +977,13 @@
LM32 Machines
-------------
EVR32 and uclinux BSP
-M: Michael Walle <michael@walle.cc>
-S: Maintained
+R: Michael Walle <michael@walle.cc>
+S: Orphan
F: hw/lm32/lm32_boards.c
milkymist
-M: Michael Walle <michael@walle.cc>
-S: Maintained
+R: Michael Walle <michael@walle.cc>
+S: Orphan
F: hw/lm32/milkymist.c
M68K Machines
@@ -1735,7 +1735,7 @@
F: include/hw/virtio/virtio-crypto.h
nvme
-M: Keith Busch <keith.busch@intel.com>
+M: Keith Busch <kbusch@kernel.org>
L: qemu-block@nongnu.org
S: Supported
F: hw/block/nvme*
diff --git a/block.c b/block.c
index 301ec58..cf5c19b 100644
--- a/block.c
+++ b/block.c
@@ -3165,7 +3165,7 @@
}
ret = bdrv_fill_options(&options, filename, &flags, &local_err);
- if (local_err) {
+ if (ret < 0) {
goto fail;
}
diff --git a/block/file-posix.c b/block/file-posix.c
index bf09ad8..05e094b 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -1617,13 +1617,12 @@
{
RawPosixAIOData *aiocb = opaque;
BDRVRawState *s G_GNUC_UNUSED = aiocb->bs->opaque;
- int ret;
/* First try to write zeros and unmap at the same time */
#ifdef CONFIG_FALLOCATE_PUNCH_HOLE
- ret = do_fallocate(s->fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE,
- aiocb->aio_offset, aiocb->aio_nbytes);
+ int ret = do_fallocate(s->fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE,
+ aiocb->aio_offset, aiocb->aio_nbytes);
if (ret != -ENOTSUP) {
return ret;
}
@@ -1631,8 +1630,7 @@
/* If we couldn't manage to unmap while guaranteed that the area reads as
* all-zero afterwards, just write zeroes without unmapping */
- ret = handle_aiocb_write_zeroes(aiocb);
- return ret;
+ return handle_aiocb_write_zeroes(aiocb);
}
#ifndef HAVE_COPY_FILE_RANGE
diff --git a/block/iscsi.c b/block/iscsi.c
index 914a1de..a8b7697 100644
--- a/block/iscsi.c
+++ b/block/iscsi.c
@@ -1394,20 +1394,17 @@
{
IscsiLun *iscsilun = opaque;
- qemu_mutex_lock(&iscsilun->mutex);
+ QEMU_LOCK_GUARD(&iscsilun->mutex);
if (iscsi_get_nops_in_flight(iscsilun->iscsi) >= MAX_NOP_FAILURES) {
error_report("iSCSI: NOP timeout. Reconnecting...");
iscsilun->request_timed_out = true;
} else if (iscsi_nop_out_async(iscsilun->iscsi, NULL, NULL, 0, NULL) != 0) {
error_report("iSCSI: failed to sent NOP-Out. Disabling NOP messages.");
- goto out;
+ return;
}
timer_mod(iscsilun->nop_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + NOP_INTERVAL);
iscsi_set_events(iscsilun);
-
-out:
- qemu_mutex_unlock(&iscsilun->mutex);
}
static void iscsi_readcapacity_sync(IscsiLun *iscsilun, Error **errp)
diff --git a/block/nfs.c b/block/nfs.c
index 2393fbf..385d756 100644
--- a/block/nfs.c
+++ b/block/nfs.c
@@ -273,15 +273,14 @@
nfs_co_init_task(bs, &task);
task.iov = iov;
- qemu_mutex_lock(&client->mutex);
- if (nfs_pread_async(client->context, client->fh,
- offset, bytes, nfs_co_generic_cb, &task) != 0) {
- qemu_mutex_unlock(&client->mutex);
- return -ENOMEM;
- }
+ WITH_QEMU_LOCK_GUARD(&client->mutex) {
+ if (nfs_pread_async(client->context, client->fh,
+ offset, bytes, nfs_co_generic_cb, &task) != 0) {
+ return -ENOMEM;
+ }
- nfs_set_events(client);
- qemu_mutex_unlock(&client->mutex);
+ nfs_set_events(client);
+ }
while (!task.complete) {
qemu_coroutine_yield();
}
@@ -320,19 +319,18 @@
buf = iov->iov[0].iov_base;
}
- qemu_mutex_lock(&client->mutex);
- if (nfs_pwrite_async(client->context, client->fh,
- offset, bytes, buf,
- nfs_co_generic_cb, &task) != 0) {
- qemu_mutex_unlock(&client->mutex);
- if (my_buffer) {
- g_free(buf);
+ WITH_QEMU_LOCK_GUARD(&client->mutex) {
+ if (nfs_pwrite_async(client->context, client->fh,
+ offset, bytes, buf,
+ nfs_co_generic_cb, &task) != 0) {
+ if (my_buffer) {
+ g_free(buf);
+ }
+ return -ENOMEM;
}
- return -ENOMEM;
- }
- nfs_set_events(client);
- qemu_mutex_unlock(&client->mutex);
+ nfs_set_events(client);
+ }
while (!task.complete) {
qemu_coroutine_yield();
}
@@ -355,15 +353,14 @@
nfs_co_init_task(bs, &task);
- qemu_mutex_lock(&client->mutex);
- if (nfs_fsync_async(client->context, client->fh, nfs_co_generic_cb,
- &task) != 0) {
- qemu_mutex_unlock(&client->mutex);
- return -ENOMEM;
- }
+ WITH_QEMU_LOCK_GUARD(&client->mutex) {
+ if (nfs_fsync_async(client->context, client->fh, nfs_co_generic_cb,
+ &task) != 0) {
+ return -ENOMEM;
+ }
- nfs_set_events(client);
- qemu_mutex_unlock(&client->mutex);
+ nfs_set_events(client);
+ }
while (!task.complete) {
qemu_coroutine_yield();
}
@@ -623,8 +620,7 @@
}
bs->total_sectors = ret;
- ret = 0;
- return ret;
+ return 0;
}
static QemuOptsList nfs_create_opts = {
diff --git a/block/nvme.c b/block/nvme.c
index 7b7c0cc..eb2f54d 100644
--- a/block/nvme.c
+++ b/block/nvme.c
@@ -575,11 +575,9 @@
{
EventNotifier *e = opaque;
BDRVNVMeState *s = container_of(e, BDRVNVMeState, irq_notifier);
- bool progress = false;
trace_nvme_poll_cb(s);
- progress = nvme_poll_queues(s);
- return progress;
+ return nvme_poll_queues(s);
}
static int nvme_init(BlockDriverState *bs, const char *device, int namespace,
diff --git a/block/vhdx.c b/block/vhdx.c
index 45be0a4..aedd782 100644
--- a/block/vhdx.c
+++ b/block/vhdx.c
@@ -411,8 +411,7 @@
if (ret < 0) {
return ret;
}
- ret = vhdx_update_header(bs, s, generate_data_write_guid, log_guid);
- return ret;
+ return vhdx_update_header(bs, s, generate_data_write_guid, log_guid);
}
/* opens the specified header block from the VHDX file header section */
diff --git a/blockdev.c b/blockdev.c
index dc1a0c7..708d0c3 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -2741,7 +2741,7 @@
}
bdrv_drained_begin(bs);
- ret = blk_truncate(blk, size, false, PREALLOC_MODE_OFF, 0, errp);
+ blk_truncate(blk, size, false, PREALLOC_MODE_OFF, 0, errp);
bdrv_drained_end(bs);
out:
diff --git a/chardev/char-serial.c b/chardev/char-serial.c
index 5b833ea..7c3d84a 100644
--- a/chardev/char-serial.c
+++ b/chardev/char-serial.c
@@ -53,7 +53,7 @@
#elif defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
|| defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \
- || defined(__GLIBC__)
+ || defined(__GLIBC__) || defined(__APPLE__)
static void tty_serial_init(int fd, int speed,
int parity, int data_bits, int stop_bits)
diff --git a/cpus-common.c b/cpus-common.c
index eaf590c..55d5df8 100644
--- a/cpus-common.c
+++ b/cpus-common.c
@@ -22,6 +22,7 @@
#include "exec/cpu-common.h"
#include "hw/core/cpu.h"
#include "sysemu/cpus.h"
+#include "qemu/lockable.h"
static QemuMutex qemu_cpu_list_lock;
static QemuCond exclusive_cond;
@@ -71,7 +72,7 @@
void cpu_list_add(CPUState *cpu)
{
- qemu_mutex_lock(&qemu_cpu_list_lock);
+ QEMU_LOCK_GUARD(&qemu_cpu_list_lock);
if (cpu->cpu_index == UNASSIGNED_CPU_INDEX) {
cpu->cpu_index = cpu_get_free_index();
assert(cpu->cpu_index != UNASSIGNED_CPU_INDEX);
@@ -79,15 +80,13 @@
assert(!cpu_index_auto_assigned);
}
QTAILQ_INSERT_TAIL_RCU(&cpus, cpu, node);
- qemu_mutex_unlock(&qemu_cpu_list_lock);
}
void cpu_list_remove(CPUState *cpu)
{
- qemu_mutex_lock(&qemu_cpu_list_lock);
+ QEMU_LOCK_GUARD(&qemu_cpu_list_lock);
if (!QTAILQ_IN_USE(cpu, node)) {
/* there is nothing to undo since cpu_exec_init() hasn't been called */
- qemu_mutex_unlock(&qemu_cpu_list_lock);
return;
}
@@ -95,7 +94,6 @@
QTAILQ_REMOVE_RCU(&cpus, cpu, node);
cpu->cpu_index = UNASSIGNED_CPU_INDEX;
- qemu_mutex_unlock(&qemu_cpu_list_lock);
}
struct qemu_work_item {
@@ -237,7 +235,7 @@
* see cpu->running == true, and it will kick the CPU.
*/
if (unlikely(atomic_read(&pending_cpus))) {
- qemu_mutex_lock(&qemu_cpu_list_lock);
+ QEMU_LOCK_GUARD(&qemu_cpu_list_lock);
if (!cpu->has_waiter) {
/* Not counted in pending_cpus, let the exclusive item
* run. Since we have the lock, just set cpu->running to true
@@ -252,7 +250,6 @@
* waiter at cpu_exec_end.
*/
}
- qemu_mutex_unlock(&qemu_cpu_list_lock);
}
}
@@ -280,7 +277,7 @@
* next cpu_exec_start.
*/
if (unlikely(atomic_read(&pending_cpus))) {
- qemu_mutex_lock(&qemu_cpu_list_lock);
+ QEMU_LOCK_GUARD(&qemu_cpu_list_lock);
if (cpu->has_waiter) {
cpu->has_waiter = false;
atomic_set(&pending_cpus, pending_cpus - 1);
@@ -288,7 +285,6 @@
qemu_cond_signal(&exclusive_cond);
}
}
- qemu_mutex_unlock(&qemu_cpu_list_lock);
}
}
diff --git a/hw/audio/ac97.c b/hw/audio/ac97.c
index 1ec87fe..8a9b992 100644
--- a/hw/audio/ac97.c
+++ b/hw/audio/ac97.c
@@ -573,11 +573,9 @@
static uint32_t nam_readw (void *opaque, uint32_t addr)
{
AC97LinkState *s = opaque;
- uint32_t val = ~0U;
uint32_t index = addr;
s->cas = 0;
- val = mixer_load (s, index);
- return val;
+ return mixer_load(s, index);
}
static uint32_t nam_readl (void *opaque, uint32_t addr)
diff --git a/hw/audio/adlib.c b/hw/audio/adlib.c
index d6c1fb0..7c3b67d 100644
--- a/hw/audio/adlib.c
+++ b/hw/audio/adlib.c
@@ -120,13 +120,10 @@
static uint32_t adlib_read(void *opaque, uint32_t nport)
{
AdlibState *s = opaque;
- uint8_t data;
int a = nport & 3;
adlib_kill_timers (s);
- data = OPLRead (s->opl, a);
-
- return data;
+ return OPLRead (s->opl, a);
}
static void timer_handler (void *opaque, int c, double interval_Sec)
diff --git a/hw/display/blizzard.c b/hw/display/blizzard.c
index 359e399..1052415 100644
--- a/hw/display/blizzard.c
+++ b/hw/display/blizzard.c
@@ -19,6 +19,7 @@
*/
#include "qemu/osdep.h"
+#include "qemu/bitops.h"
#include "ui/console.h"
#include "hw/display/blizzard.h"
#include "ui/pixel_ops.h"
@@ -932,12 +933,9 @@
const uint16_t *end = (const void *) src + width;
while (src < end) {
data = *src ++;
- b = (data & 0x1f) << 3;
- data >>= 5;
- g = (data & 0x3f) << 2;
- data >>= 6;
- r = (data & 0x1f) << 3;
- data >>= 5;
+ b = extract16(data, 0, 5) << 3;
+ g = extract16(data, 5, 6) << 2;
+ r = extract16(data, 11, 5) << 3;
*dest++ = rgb_to_pixel32(r, g, b);
}
}
diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c
index 0d391e1..1f29731 100644
--- a/hw/display/cirrus_vga.c
+++ b/hw/display/cirrus_vga.c
@@ -2411,12 +2411,10 @@
unsigned size)
{
CirrusVGAState *s = opaque;
- uint32_t ret;
/* XXX handle bitblt */
(void)s;
- ret = 0xff;
- return ret;
+ return 0xff;
}
static void cirrus_linear_bitblt_write(void *opaque,
diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index 227da69..d562711 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -478,18 +478,19 @@
cmd->u.surface_create.stride);
return 1;
}
- qemu_mutex_lock(&qxl->track_lock);
- if (cmd->type == QXL_SURFACE_CMD_CREATE) {
- qxl->guest_surfaces.cmds[id] = ext->cmd.data;
- qxl->guest_surfaces.count++;
- if (qxl->guest_surfaces.max < qxl->guest_surfaces.count)
- qxl->guest_surfaces.max = qxl->guest_surfaces.count;
+ WITH_QEMU_LOCK_GUARD(&qxl->track_lock) {
+ if (cmd->type == QXL_SURFACE_CMD_CREATE) {
+ qxl->guest_surfaces.cmds[id] = ext->cmd.data;
+ qxl->guest_surfaces.count++;
+ if (qxl->guest_surfaces.max < qxl->guest_surfaces.count) {
+ qxl->guest_surfaces.max = qxl->guest_surfaces.count;
+ }
+ }
+ if (cmd->type == QXL_SURFACE_CMD_DESTROY) {
+ qxl->guest_surfaces.cmds[id] = 0;
+ qxl->guest_surfaces.count--;
+ }
}
- if (cmd->type == QXL_SURFACE_CMD_DESTROY) {
- qxl->guest_surfaces.cmds[id] = 0;
- qxl->guest_surfaces.count--;
- }
- qemu_mutex_unlock(&qxl->track_lock);
break;
}
case QXL_CMD_CURSOR:
@@ -958,10 +959,9 @@
int i;
int qxl_i;
- qemu_mutex_lock(&qxl->ssd.lock);
+ QEMU_LOCK_GUARD(&qxl->ssd.lock);
if (surface_id != 0 || !num_updated_rects ||
!qxl->render_update_cookie_num) {
- qemu_mutex_unlock(&qxl->ssd.lock);
return;
}
trace_qxl_interface_update_area_complete(qxl->id, surface_id, dirty->left,
@@ -980,7 +980,6 @@
* Don't bother copying or scheduling the bh since we will flip
* the whole area anyway on completion of the update_area async call
*/
- qemu_mutex_unlock(&qxl->ssd.lock);
return;
}
qxl_i = qxl->num_dirty_rects;
@@ -991,7 +990,6 @@
trace_qxl_interface_update_area_complete_schedule_bh(qxl->id,
qxl->num_dirty_rects);
qemu_bh_schedule(qxl->update_area_bh);
- qemu_mutex_unlock(&qxl->ssd.lock);
}
/* called from spice server thread context only */
@@ -1694,15 +1692,14 @@
case QXL_IO_MONITORS_CONFIG_ASYNC:
async_common:
async = QXL_ASYNC;
- qemu_mutex_lock(&d->async_lock);
- if (d->current_async != QXL_UNDEFINED_IO) {
- qxl_set_guest_bug(d, "%d async started before last (%d) complete",
- io_port, d->current_async);
- qemu_mutex_unlock(&d->async_lock);
- return;
+ WITH_QEMU_LOCK_GUARD(&d->async_lock) {
+ if (d->current_async != QXL_UNDEFINED_IO) {
+ qxl_set_guest_bug(d, "%d async started before last (%d) complete",
+ io_port, d->current_async);
+ return;
+ }
+ d->current_async = orig_io_port;
}
- d->current_async = orig_io_port;
- qemu_mutex_unlock(&d->async_lock);
break;
default:
break;
diff --git a/hw/gpio/aspeed_gpio.c b/hw/gpio/aspeed_gpio.c
index e52fcfd..4c75b5c 100644
--- a/hw/gpio/aspeed_gpio.c
+++ b/hw/gpio/aspeed_gpio.c
@@ -712,7 +712,7 @@
static int get_set_idx(AspeedGPIOState *s, const char *group, int *group_idx)
{
AspeedGPIOClass *agc = ASPEED_GPIO_GET_CLASS(s);
- int set_idx, g_idx = *group_idx;
+ int set_idx, g_idx;
for (set_idx = 0; set_idx < agc->nr_gpio_sets; set_idx++) {
const GPIOSetProperties *set_props = &agc->props[set_idx];
diff --git a/hw/hyperv/hyperv.c b/hw/hyperv/hyperv.c
index 8ca3706..4ddafe1 100644
--- a/hw/hyperv/hyperv.c
+++ b/hw/hyperv/hyperv.c
@@ -15,6 +15,7 @@
#include "sysemu/kvm.h"
#include "qemu/bitops.h"
#include "qemu/error-report.h"
+#include "qemu/lockable.h"
#include "qemu/queue.h"
#include "qemu/rcu.h"
#include "qemu/rcu_queue.h"
@@ -491,7 +492,7 @@
int ret;
MsgHandler *mh;
- qemu_mutex_lock(&handlers_mutex);
+ QEMU_LOCK_GUARD(&handlers_mutex);
QLIST_FOREACH(mh, &msg_handlers, link) {
if (mh->conn_id == conn_id) {
if (handler) {
@@ -501,7 +502,7 @@
g_free_rcu(mh, rcu);
ret = 0;
}
- goto unlock;
+ return ret;
}
}
@@ -515,8 +516,7 @@
} else {
ret = -ENOENT;
}
-unlock:
- qemu_mutex_unlock(&handlers_mutex);
+
return ret;
}
@@ -565,7 +565,7 @@
int ret;
EventFlagHandler *handler;
- qemu_mutex_lock(&handlers_mutex);
+ QEMU_LOCK_GUARD(&handlers_mutex);
QLIST_FOREACH(handler, &event_flag_handlers, link) {
if (handler->conn_id == conn_id) {
if (notifier) {
@@ -575,7 +575,7 @@
g_free_rcu(handler, rcu);
ret = 0;
}
- goto unlock;
+ return ret;
}
}
@@ -588,8 +588,7 @@
} else {
ret = -ENOENT;
}
-unlock:
- qemu_mutex_unlock(&handlers_mutex);
+
return ret;
}
diff --git a/hw/i2c/pm_smbus.c b/hw/i2c/pm_smbus.c
index 36994ff..4728540 100644
--- a/hw/i2c/pm_smbus.c
+++ b/hw/i2c/pm_smbus.c
@@ -184,7 +184,6 @@
s->smb_stat |= STS_HOST_BUSY | STS_BYTE_DONE;
s->smb_data[0] = s->smb_blkdata;
s->smb_index = 0;
- ret = 0;
}
goto out;
}
diff --git a/hw/ide/sii3112.c b/hw/ide/sii3112.c
index d69079c..94d2b57 100644
--- a/hw/ide/sii3112.c
+++ b/hw/ide/sii3112.c
@@ -42,7 +42,7 @@
unsigned int size)
{
SiI3112PCIState *d = opaque;
- uint64_t val = 0;
+ uint64_t val;
switch (addr) {
case 0x00:
@@ -126,6 +126,7 @@
break;
default:
val = 0;
+ break;
}
trace_sii3112_read(size, addr, val);
return val;
@@ -201,7 +202,7 @@
d->regs[1].sien = (val >> 16) & 0x3eed;
break;
default:
- val = 0;
+ break;
}
}
diff --git a/hw/input/adb-kbd.c b/hw/input/adb-kbd.c
index 0ba8207..a6d5c9b 100644
--- a/hw/input/adb-kbd.c
+++ b/hw/input/adb-kbd.c
@@ -195,9 +195,7 @@
{
KBDState *s = ADB_KEYBOARD(d);
int keycode;
- int olen;
- olen = 0;
if (s->count == 0) {
return 0;
}
@@ -216,7 +214,6 @@
if (keycode == 0x7f) {
obuf[0] = 0x7f;
obuf[1] = 0x7f;
- olen = 2;
} else {
obuf[0] = keycode;
/* NOTE: the power key key-up is the two byte sequence 0xff 0xff;
@@ -224,10 +221,9 @@
* byte, but choose not to bother.
*/
obuf[1] = 0xff;
- olen = 2;
}
- return olen;
+ return 2;
}
static int adb_kbd_request(ADBDevice *d, uint8_t *obuf,
diff --git a/hw/isa/i82378.c b/hw/isa/i82378.c
index dcb6b47..d9e6c7f 100644
--- a/hw/isa/i82378.c
+++ b/hw/isa/i82378.c
@@ -67,7 +67,7 @@
I82378State *s = I82378(dev);
uint8_t *pci_conf;
ISABus *isabus;
- ISADevice *isa;
+ ISADevice *pit;
pci_conf = pci->config;
pci_set_word(pci_conf + PCI_COMMAND,
@@ -99,13 +99,13 @@
isa_bus_irqs(isabus, s->i8259);
/* 1 82C54 (pit) */
- isa = i8254_pit_init(isabus, 0x40, 0, NULL);
+ pit = i8254_pit_init(isabus, 0x40, 0, NULL);
/* speaker */
- pcspk_init(isabus, isa);
+ pcspk_init(isabus, pit);
/* 2 82C37 (dma) */
- isa = isa_create_simple(isabus, "i82374");
+ isa_create_simple(isabus, "i82374");
}
static void i82378_init(Object *obj)
diff --git a/hw/mem/pc-dimm.c b/hw/mem/pc-dimm.c
index 8f50b8a..6d62588 100644
--- a/hw/mem/pc-dimm.c
+++ b/hw/mem/pc-dimm.c
@@ -44,8 +44,8 @@
&error_abort);
if ((slot < 0 || slot >= machine->ram_slots) &&
slot != PC_DIMM_UNASSIGNED_SLOT) {
- error_setg(&local_err, "invalid slot number, valid range is [0-%"
- PRIu64 "]", machine->ram_slots - 1);
+ error_setg(&local_err, "invalid slot number %d, valid range is [0-%"
+ PRIu64 "]", slot, machine->ram_slots - 1);
goto out;
}
@@ -218,7 +218,8 @@
static uint64_t pc_dimm_md_get_addr(const MemoryDeviceState *md)
{
- return object_property_get_uint(OBJECT(md), PC_DIMM_ADDR_PROP, &error_abort);
+ return object_property_get_uint(OBJECT(md), PC_DIMM_ADDR_PROP,
+ &error_abort);
}
static void pc_dimm_md_set_addr(MemoryDeviceState *md, uint64_t addr,
diff --git a/hw/rdma/rdma_backend.c b/hw/rdma/rdma_backend.c
index 3dd39fe..db7e5c8 100644
--- a/hw/rdma/rdma_backend.c
+++ b/hw/rdma/rdma_backend.c
@@ -95,36 +95,36 @@
struct ibv_wc wc[2];
RdmaProtectedGSList *cqe_ctx_list;
- qemu_mutex_lock(&rdma_dev_res->lock);
- do {
- ne = ibv_poll_cq(ibcq, ARRAY_SIZE(wc), wc);
+ WITH_QEMU_LOCK_GUARD(&rdma_dev_res->lock) {
+ do {
+ ne = ibv_poll_cq(ibcq, ARRAY_SIZE(wc), wc);
- trace_rdma_poll_cq(ne, ibcq);
+ trace_rdma_poll_cq(ne, ibcq);
- for (i = 0; i < ne; i++) {
- bctx = rdma_rm_get_cqe_ctx(rdma_dev_res, wc[i].wr_id);
- if (unlikely(!bctx)) {
- rdma_error_report("No matching ctx for req %"PRId64,
- wc[i].wr_id);
- continue;
+ for (i = 0; i < ne; i++) {
+ bctx = rdma_rm_get_cqe_ctx(rdma_dev_res, wc[i].wr_id);
+ if (unlikely(!bctx)) {
+ rdma_error_report("No matching ctx for req %"PRId64,
+ wc[i].wr_id);
+ continue;
+ }
+
+ comp_handler(bctx->up_ctx, &wc[i]);
+
+ if (bctx->backend_qp) {
+ cqe_ctx_list = &bctx->backend_qp->cqe_ctx_list;
+ } else {
+ cqe_ctx_list = &bctx->backend_srq->cqe_ctx_list;
+ }
+
+ rdma_protected_gslist_remove_int32(cqe_ctx_list, wc[i].wr_id);
+ rdma_rm_dealloc_cqe_ctx(rdma_dev_res, wc[i].wr_id);
+ g_free(bctx);
}
-
- comp_handler(bctx->up_ctx, &wc[i]);
-
- if (bctx->backend_qp) {
- cqe_ctx_list = &bctx->backend_qp->cqe_ctx_list;
- } else {
- cqe_ctx_list = &bctx->backend_srq->cqe_ctx_list;
- }
-
- rdma_protected_gslist_remove_int32(cqe_ctx_list, wc[i].wr_id);
- rdma_rm_dealloc_cqe_ctx(rdma_dev_res, wc[i].wr_id);
- g_free(bctx);
- }
- total_ne += ne;
- } while (ne > 0);
- atomic_sub(&rdma_dev_res->stats.missing_cqe, total_ne);
- qemu_mutex_unlock(&rdma_dev_res->lock);
+ total_ne += ne;
+ } while (ne > 0);
+ atomic_sub(&rdma_dev_res->stats.missing_cqe, total_ne);
+ }
if (ne < 0) {
rdma_error_report("ibv_poll_cq fail, rc=%d, errno=%d", ne, errno);
diff --git a/hw/rdma/rdma_rm.c b/hw/rdma/rdma_rm.c
index 7e9ea28..60957f8 100644
--- a/hw/rdma/rdma_rm.c
+++ b/hw/rdma/rdma_rm.c
@@ -147,14 +147,13 @@
{
trace_rdma_res_tbl_dealloc(tbl->name, handle);
- qemu_mutex_lock(&tbl->lock);
+ QEMU_LOCK_GUARD(&tbl->lock);
if (handle < tbl->tbl_sz) {
clear_bit(handle, tbl->bitmap);
tbl->used--;
}
- qemu_mutex_unlock(&tbl->lock);
}
int rdma_rm_alloc_pd(RdmaDeviceResources *dev_res, RdmaBackendDev *backend_dev,
diff --git a/hw/scsi/esp-pci.c b/hw/scsi/esp-pci.c
index d5a1f9e..497a8d5 100644
--- a/hw/scsi/esp-pci.c
+++ b/hw/scsi/esp-pci.c
@@ -197,6 +197,7 @@
addr &= ~3;
size = 4;
}
+ g_assert(size >= 4);
if (addr < 0x40) {
/* SCSI core reg */
diff --git a/hw/timer/exynos4210_mct.c b/hw/timer/exynos4210_mct.c
index 944120a..570cf70 100644
--- a/hw/timer/exynos4210_mct.c
+++ b/hw/timer/exynos4210_mct.c
@@ -1367,7 +1367,6 @@
case L0_TCNTB: case L1_TCNTB:
lt_i = GET_L_TIMER_IDX(offset);
- index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i);
/*
* TCNTB is updated to internal register only after CNT expired.
@@ -1396,7 +1395,6 @@
case L0_ICNTB: case L1_ICNTB:
lt_i = GET_L_TIMER_IDX(offset);
- index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i);
s->l_timer[lt_i].reg.wstat |= L_WSTAT_ICNTB_WRITE;
s->l_timer[lt_i].reg.cnt[L_REG_CNT_ICNTB] = value &
@@ -1438,8 +1436,6 @@
case L0_FRCNTB: case L1_FRCNTB:
lt_i = GET_L_TIMER_IDX(offset);
- index = GET_L_TIMER_CNT_REG_IDX(offset, lt_i);
-
DPRINTF("local timer[%d] FRCNTB write %llx\n", lt_i, value);
s->l_timer[lt_i].reg.wstat |= L_WSTAT_FRCCNTB_WRITE;
diff --git a/hw/timer/pxa2xx_timer.c b/hw/timer/pxa2xx_timer.c
index cd172cc..944c165 100644
--- a/hw/timer/pxa2xx_timer.c
+++ b/hw/timer/pxa2xx_timer.c
@@ -140,6 +140,7 @@
static const int counters[8] = { 0, 0, 0, 0, 4, 4, 6, 6 };
int counter;
+ assert(n < ARRAY_SIZE(counters));
if (s->tm4[n].control & (1 << 7))
counter = n;
else
diff --git a/hw/timer/stm32f2xx_timer.c b/hw/timer/stm32f2xx_timer.c
index 06ec8a0..ba8694d 100644
--- a/hw/timer/stm32f2xx_timer.c
+++ b/hw/timer/stm32f2xx_timer.c
@@ -222,7 +222,6 @@
case TIM_PSC:
timer_val = stm32f2xx_ns_to_ticks(s, now) - s->tick_offset;
s->tim_psc = value & 0xFFFF;
- value = timer_val;
break;
case TIM_CNT:
timer_val = value;
diff --git a/hw/vfio/platform.c b/hw/vfio/platform.c
index 6b2952c..ac2cefc 100644
--- a/hw/vfio/platform.c
+++ b/hw/vfio/platform.c
@@ -22,6 +22,7 @@
#include "hw/vfio/vfio-platform.h"
#include "migration/vmstate.h"
#include "qemu/error-report.h"
+#include "qemu/lockable.h"
#include "qemu/main-loop.h"
#include "qemu/module.h"
#include "qemu/range.h"
@@ -216,7 +217,7 @@
VFIOPlatformDevice *vdev = intp->vdev;
bool delay_handling = false;
- qemu_mutex_lock(&vdev->intp_mutex);
+ QEMU_LOCK_GUARD(&vdev->intp_mutex);
if (intp->state == VFIO_IRQ_INACTIVE) {
QLIST_FOREACH(tmp, &vdev->intp_list, next) {
if (tmp->state == VFIO_IRQ_ACTIVE ||
@@ -236,7 +237,6 @@
QSIMPLEQ_INSERT_TAIL(&vdev->pending_intp_queue,
intp, pqnext);
ret = event_notifier_test_and_clear(intp->interrupt);
- qemu_mutex_unlock(&vdev->intp_mutex);
return;
}
@@ -266,7 +266,6 @@
qemu_clock_get_ms(QEMU_CLOCK_VIRTUAL) +
vdev->mmap_timeout);
}
- qemu_mutex_unlock(&vdev->intp_mutex);
}
/**
diff --git a/include/hw/elf_ops.h b/include/hw/elf_ops.h
index e0bb47b..398a4a2 100644
--- a/include/hw/elf_ops.h
+++ b/include/hw/elf_ops.h
@@ -606,7 +606,9 @@
*highaddr = (uint64_t)(elf_sword)high;
ret = total_size;
fail:
- g_mapped_file_unref(mapped_file);
+ if (mapped_file) {
+ g_mapped_file_unref(mapped_file);
+ }
g_free(phdr);
return ret;
}
diff --git a/include/qemu/lockable.h b/include/qemu/lockable.h
index 1aeb2cb..b620023 100644
--- a/include/qemu/lockable.h
+++ b/include/qemu/lockable.h
@@ -152,7 +152,7 @@
* }
*/
#define WITH_QEMU_LOCK_GUARD(x) \
- WITH_QEMU_LOCK_GUARD_((x), qemu_lockable_auto##__COUNTER__)
+ WITH_QEMU_LOCK_GUARD_((x), glue(qemu_lockable_auto, __COUNTER__))
/**
* QEMU_LOCK_GUARD - Lock an object until the end of the scope
@@ -169,8 +169,9 @@
* return; <-- mutex is automatically unlocked
* }
*/
-#define QEMU_LOCK_GUARD(x) \
- g_autoptr(QemuLockable) qemu_lockable_auto##__COUNTER__ = \
+#define QEMU_LOCK_GUARD(x) \
+ g_autoptr(QemuLockable) \
+ glue(qemu_lockable_auto, __COUNTER__) G_GNUC_UNUSED = \
qemu_lockable_auto_lock(QEMU_MAKE_LOCKABLE((x)))
#endif
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index 20f5c5f..ff7c17b 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -379,7 +379,7 @@
#define HAVE_CHARDEV_SERIAL 1
#elif defined(__linux__) || defined(__sun__) || defined(__FreeBSD__) \
|| defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) \
- || defined(__GLIBC__)
+ || defined(__GLIBC__) || defined(__APPLE__)
#define HAVE_CHARDEV_SERIAL 1
#endif
diff --git a/include/qemu/rcu.h b/include/qemu/rcu.h
index 9c82683..570aa60 100644
--- a/include/qemu/rcu.h
+++ b/include/qemu/rcu.h
@@ -170,7 +170,7 @@
G_DEFINE_AUTOPTR_CLEANUP_FUNC(RCUReadAuto, rcu_read_auto_unlock)
#define WITH_RCU_READ_LOCK_GUARD() \
- WITH_RCU_READ_LOCK_GUARD_(_rcu_read_auto##__COUNTER__)
+ WITH_RCU_READ_LOCK_GUARD_(glue(_rcu_read_auto, __COUNTER__))
#define WITH_RCU_READ_LOCK_GUARD_(var) \
for (g_autoptr(RCUReadAuto) var = rcu_read_auto_lock(); \
diff --git a/migration/migration.c b/migration/migration.c
index 187ac04..177cce9 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1653,11 +1653,10 @@
void migrate_set_error(MigrationState *s, const Error *error)
{
- qemu_mutex_lock(&s->error_mutex);
+ QEMU_LOCK_GUARD(&s->error_mutex);
if (!s->error) {
s->error = error_copy(error);
}
- qemu_mutex_unlock(&s->error_mutex);
}
void migrate_fd_error(MigrationState *s, const Error *error)
diff --git a/migration/multifd.c b/migration/multifd.c
index cb6a4a3..9123c11 100644
--- a/migration/multifd.c
+++ b/migration/multifd.c
@@ -894,11 +894,11 @@
for (i = 0; i < migrate_multifd_channels(); i++) {
MultiFDRecvParams *p = &multifd_recv_state->params[i];
- qemu_mutex_lock(&p->mutex);
- if (multifd_recv_state->packet_num < p->packet_num) {
- multifd_recv_state->packet_num = p->packet_num;
+ WITH_QEMU_LOCK_GUARD(&p->mutex) {
+ if (multifd_recv_state->packet_num < p->packet_num) {
+ multifd_recv_state->packet_num = p->packet_num;
+ }
}
- qemu_mutex_unlock(&p->mutex);
trace_multifd_recv_sync_main_signal(p->id);
qemu_sem_post(&p->sem_sync);
}
diff --git a/migration/ram.c b/migration/ram.c
index 04f13fe..53166fc 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -1369,7 +1369,7 @@
return NULL;
}
- qemu_mutex_lock(&rs->src_page_req_mutex);
+ QEMU_LOCK_GUARD(&rs->src_page_req_mutex);
if (!QSIMPLEQ_EMPTY(&rs->src_page_requests)) {
struct RAMSrcPageRequest *entry =
QSIMPLEQ_FIRST(&rs->src_page_requests);
@@ -1386,7 +1386,6 @@
migration_consume_urgent_request();
}
}
- qemu_mutex_unlock(&rs->src_page_req_mutex);
return block;
}
@@ -2135,9 +2134,7 @@
}
trace_ram_postcopy_send_discard_bitmap();
- ret = postcopy_each_ram_send_discard(ms);
-
- return ret;
+ return postcopy_each_ram_send_discard(ms);
}
/**
diff --git a/monitor/misc.c b/monitor/misc.c
index 6c45fa4..9723b46 100644
--- a/monitor/misc.c
+++ b/monitor/misc.c
@@ -1473,7 +1473,7 @@
MonFdsetFd *mon_fdset_fd;
AddfdInfo *fdinfo;
- qemu_mutex_lock(&mon_fdsets_lock);
+ QEMU_LOCK_GUARD(&mon_fdsets_lock);
if (has_fdset_id) {
QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
/* Break if match found or match impossible due to ordering by ID */
@@ -1494,7 +1494,6 @@
if (fdset_id < 0) {
error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "fdset-id",
"a non-negative value");
- qemu_mutex_unlock(&mon_fdsets_lock);
return NULL;
}
/* Use specified fdset ID */
@@ -1545,7 +1544,6 @@
fdinfo->fdset_id = mon_fdset->id;
fdinfo->fd = mon_fdset_fd->fd;
- qemu_mutex_unlock(&mon_fdsets_lock);
return fdinfo;
}
diff --git a/tests/qtest/fuzz/fuzz.c b/tests/qtest/fuzz/fuzz.c
index 0d78ac8..f5c9238 100644
--- a/tests/qtest/fuzz/fuzz.c
+++ b/tests/qtest/fuzz/fuzz.c
@@ -91,6 +91,7 @@
printf(" * %s : %s\n", tmp->target->name,
tmp->target->description);
}
+ printf("Alternatively, add -target-FUZZ_TARGET to the executable name\n");
exit(0);
}
@@ -143,18 +144,20 @@
module_call_init(MODULE_INIT_QOM);
module_call_init(MODULE_INIT_LIBQOS);
- if (*argc <= 1) {
+ target_name = strstr(**argv, "-target-");
+ if (target_name) { /* The binary name specifies the target */
+ target_name += strlen("-target-");
+ } else if (*argc > 1) { /* The target is specified as an argument */
+ target_name = (*argv)[1];
+ if (!strstr(target_name, "--fuzz-target=")) {
+ usage(**argv);
+ }
+ target_name += strlen("--fuzz-target=");
+ } else {
usage(**argv);
}
/* Identify the fuzz target */
- target_name = (*argv)[1];
- if (!strstr(target_name, "--fuzz-target=")) {
- usage(**argv);
- }
-
- target_name += strlen("--fuzz-target=");
-
fuzz_target = fuzz_get_target(target_name);
if (!fuzz_target) {
usage(**argv);
diff --git a/ui/gtk.c b/ui/gtk.c
index 030b251..83f2f5d 100644
--- a/ui/gtk.c
+++ b/ui/gtk.c
@@ -1650,8 +1650,7 @@
G_CALLBACK(gd_menu_switch_vc), s);
gtk_menu_shell_append(GTK_MENU_SHELL(view_menu), vc->menu_item);
- group = gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
- return group;
+ return gtk_radio_menu_item_get_group(GTK_RADIO_MENU_ITEM(vc->menu_item));
}
#if defined(CONFIG_VTE)
diff --git a/ui/spice-display.c b/ui/spice-display.c
index 6babe24..19632fd 100644
--- a/ui/spice-display.c
+++ b/ui/spice-display.c
@@ -18,6 +18,7 @@
#include "qemu/osdep.h"
#include "ui/qemu-spice.h"
#include "qemu/timer.h"
+#include "qemu/lockable.h"
#include "qemu/main-loop.h"
#include "qemu/option.h"
#include "qemu/queue.h"
@@ -483,12 +484,12 @@
{
graphic_hw_update(ssd->dcl.con);
- qemu_mutex_lock(&ssd->lock);
- if (QTAILQ_EMPTY(&ssd->updates) && ssd->ds) {
- qemu_spice_create_update(ssd);
- ssd->notify++;
+ WITH_QEMU_LOCK_GUARD(&ssd->lock) {
+ if (QTAILQ_EMPTY(&ssd->updates) && ssd->ds) {
+ qemu_spice_create_update(ssd);
+ ssd->notify++;
+ }
}
- qemu_mutex_unlock(&ssd->lock);
trace_qemu_spice_display_refresh(ssd->qxl.id, ssd->notify);
if (ssd->notify) {
@@ -580,7 +581,7 @@
SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
int ret;
- qemu_mutex_lock(&ssd->lock);
+ QEMU_LOCK_GUARD(&ssd->lock);
if (ssd->ptr_define) {
*ext = ssd->ptr_define->ext;
ssd->ptr_define = NULL;
@@ -592,7 +593,6 @@
} else {
ret = false;
}
- qemu_mutex_unlock(&ssd->lock);
return ret;
}
diff --git a/util/log.c b/util/log.c
index 2da6cb3..bdb3d71 100644
--- a/util/log.c
+++ b/util/log.c
@@ -25,6 +25,7 @@
#include "qemu/cutils.h"
#include "trace/control.h"
#include "qemu/thread.h"
+#include "qemu/lockable.h"
static char *logfilename;
static QemuMutex qemu_logfile_mutex;
@@ -94,7 +95,7 @@
if (qemu_loglevel && (!is_daemonized() || logfilename)) {
need_to_open_file = true;
}
- qemu_mutex_lock(&qemu_logfile_mutex);
+ QEMU_LOCK_GUARD(&qemu_logfile_mutex);
if (qemu_logfile && !need_to_open_file) {
logfile = qemu_logfile;
atomic_rcu_set(&qemu_logfile, NULL);
@@ -136,7 +137,6 @@
}
atomic_rcu_set(&qemu_logfile, logfile);
}
- qemu_mutex_unlock(&qemu_logfile_mutex);
}
void qemu_log_needs_buffers(void)
diff --git a/util/qemu-sockets.c b/util/qemu-sockets.c
index bcc06d0..86c48b9 100644
--- a/util/qemu-sockets.c
+++ b/util/qemu-sockets.c
@@ -765,15 +765,12 @@
static int vsock_connect_saddr(VsockSocketAddress *vaddr, Error **errp)
{
struct sockaddr_vm svm;
- int sock = -1;
if (!vsock_parse_vaddr_to_sockaddr(vaddr, &svm, errp)) {
return -1;
}
- sock = vsock_connect_addr(&svm, errp);
-
- return sock;
+ return vsock_connect_addr(&svm, errp);
}
static int vsock_listen_saddr(VsockSocketAddress *vaddr,
diff --git a/util/qemu-timer.c b/util/qemu-timer.c
index d548d3c..b6575a2 100644
--- a/util/qemu-timer.c
+++ b/util/qemu-timer.c
@@ -459,17 +459,16 @@
QEMUTimerList *timer_list = ts->timer_list;
bool rearm;
- qemu_mutex_lock(&timer_list->active_timers_lock);
- if (ts->expire_time == -1 || ts->expire_time > expire_time) {
- if (ts->expire_time != -1) {
- timer_del_locked(timer_list, ts);
+ WITH_QEMU_LOCK_GUARD(&timer_list->active_timers_lock) {
+ if (ts->expire_time == -1 || ts->expire_time > expire_time) {
+ if (ts->expire_time != -1) {
+ timer_del_locked(timer_list, ts);
+ }
+ rearm = timer_mod_ns_locked(timer_list, ts, expire_time);
+ } else {
+ rearm = false;
}
- rearm = timer_mod_ns_locked(timer_list, ts, expire_time);
- } else {
- rearm = false;
}
- qemu_mutex_unlock(&timer_list->active_timers_lock);
-
if (rearm) {
timerlist_rearm(timer_list);
}
diff --git a/util/rcu.c b/util/rcu.c
index 177a675..60a37f7 100644
--- a/util/rcu.c
+++ b/util/rcu.c
@@ -31,6 +31,7 @@
#include "qemu/atomic.h"
#include "qemu/thread.h"
#include "qemu/main-loop.h"
+#include "qemu/lockable.h"
#if defined(CONFIG_MALLOC_TRIM)
#include <malloc.h>
#endif
@@ -141,14 +142,14 @@
void synchronize_rcu(void)
{
- qemu_mutex_lock(&rcu_sync_lock);
+ QEMU_LOCK_GUARD(&rcu_sync_lock);
/* Write RCU-protected pointers before reading p_rcu_reader->ctr.
* Pairs with smp_mb_placeholder() in rcu_read_lock().
*/
smp_mb_global();
- qemu_mutex_lock(&rcu_registry_lock);
+ QEMU_LOCK_GUARD(&rcu_registry_lock);
if (!QLIST_EMPTY(®istry)) {
/* In either case, the atomic_mb_set below blocks stores that free
* old RCU-protected pointers.
@@ -169,9 +170,6 @@
wait_for_readers();
}
-
- qemu_mutex_unlock(&rcu_registry_lock);
- qemu_mutex_unlock(&rcu_sync_lock);
}
diff --git a/util/thread-pool.c b/util/thread-pool.c
index 4ed9b89..d763cea 100644
--- a/util/thread-pool.c
+++ b/util/thread-pool.c
@@ -210,7 +210,7 @@
trace_thread_pool_cancel(elem, elem->common.opaque);
- qemu_mutex_lock(&pool->lock);
+ QEMU_LOCK_GUARD(&pool->lock);
if (elem->state == THREAD_QUEUED &&
/* No thread has yet started working on elem. we can try to "steal"
* the item from the worker if we can get a signal from the
@@ -225,7 +225,6 @@
elem->ret = -ECANCELED;
}
- qemu_mutex_unlock(&pool->lock);
}
static AioContext *thread_pool_get_aio_context(BlockAIOCB *acb)
diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c
index ddd9a96..e399e33 100644
--- a/util/vfio-helpers.c
+++ b/util/vfio-helpers.c
@@ -21,6 +21,7 @@
#include "standard-headers/linux/pci_regs.h"
#include "qemu/event_notifier.h"
#include "qemu/vfio-helpers.h"
+#include "qemu/lockable.h"
#include "trace.h"
#define QEMU_VFIO_DEBUG 0
@@ -667,14 +668,12 @@
.size = QEMU_VFIO_IOVA_MAX - s->high_water_mark,
};
trace_qemu_vfio_dma_reset_temporary(s);
- qemu_mutex_lock(&s->lock);
+ QEMU_LOCK_GUARD(&s->lock);
if (ioctl(s->container, VFIO_IOMMU_UNMAP_DMA, &unmap)) {
error_report("VFIO_UNMAP_DMA failed: %s", strerror(errno));
- qemu_mutex_unlock(&s->lock);
return -errno;
}
s->high_water_mark = QEMU_VFIO_IOVA_MAX;
- qemu_mutex_unlock(&s->lock);
return 0;
}