block: Add error parameter to blk_insert_bs()
Now that blk_insert_bs() requests the BlockBackend permissions for the
node it attaches to, it can fail. Instead of aborting, pass the errors
to the callers.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Acked-by: Fam Zheng <famz@redhat.com>
diff --git a/hmp.c b/hmp.c
index 020141b..e219f97 100644
--- a/hmp.c
+++ b/hmp.c
@@ -2045,6 +2045,7 @@
const char* device = qdict_get_str(qdict, "device");
const char* command = qdict_get_str(qdict, "command");
Error *err = NULL;
+ int ret;
blk = blk_by_name(device);
if (!blk) {
@@ -2052,7 +2053,10 @@
if (bs) {
/* FIXME Use real permissions */
blk = local_blk = blk_new(0, BLK_PERM_ALL);
- blk_insert_bs(blk, bs);
+ ret = blk_insert_bs(blk, bs, &err);
+ if (ret < 0) {
+ goto fail;
+ }
} else {
goto fail;
}
