diff --git a/block/vmdk.c b/block/vmdk.c
index 6f819e4..b4a224e 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -1494,8 +1494,8 @@
 
     if (sector_num > bs->total_sectors) {
         error_report("Wrong offset: sector_num=0x%" PRIx64
-                " total_sectors=0x%" PRIx64 "\n",
-                sector_num, bs->total_sectors);
+                     " total_sectors=0x%" PRIx64,
+                     sector_num, bs->total_sectors);
         return -EIO;
     }
 
diff --git a/hw/arm/xlnx-zynqmp.c b/hw/arm/xlnx-zynqmp.c
index 87553bb..20a3b2b 100644
--- a/hw/arm/xlnx-zynqmp.c
+++ b/hw/arm/xlnx-zynqmp.c
@@ -227,7 +227,7 @@
     }
 
     if (!s->boot_cpu_ptr) {
-        error_setg(errp, "ZynqMP Boot cpu %s not found\n", boot_cpu);
+        error_setg(errp, "ZynqMP Boot cpu %s not found", boot_cpu);
         return;
     }
 
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 091cdb1..50e5a26 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1836,7 +1836,8 @@
         ram_addr_t hotplug_mem_size = machine->maxram_size - machine->ram_size;
 
         if (machine->ram_slots > SPAPR_MAX_RAM_SLOTS) {
-            error_report("Specified number of memory slots %"PRIu64" exceeds max supported %d\n",
+            error_report("Specified number of memory slots %" PRIu64
+                         " exceeds max supported %d",
                          machine->ram_slots, SPAPR_MAX_RAM_SLOTS);
             exit(EXIT_FAILURE);
         }
diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
index b91fcc6..e100428 100644
--- a/hw/s390x/ipl.c
+++ b/hw/s390x/ipl.c
@@ -94,7 +94,7 @@
 
         bios_filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
         if (bios_filename == NULL) {
-            error_setg(&l_err, "could not find stage1 bootloader\n");
+            error_setg(&l_err, "could not find stage1 bootloader");
             goto error;
         }
 
@@ -113,7 +113,7 @@
         g_free(bios_filename);
 
         if (bios_size == -1) {
-            error_setg(&l_err, "could not load bootloader '%s'\n", bios_name);
+            error_setg(&l_err, "could not load bootloader '%s'", bios_name);
             goto error;
         }
 
@@ -128,7 +128,7 @@
             kernel_size = load_image_targphys(ipl->kernel, 0, ram_size);
         }
         if (kernel_size < 0) {
-            error_setg(&l_err, "could not load kernel '%s'\n", ipl->kernel);
+            error_setg(&l_err, "could not load kernel '%s'", ipl->kernel);
             goto error;
         }
         /*
@@ -156,7 +156,7 @@
             initrd_size = load_image_targphys(ipl->initrd, initrd_offset,
                                               ram_size - initrd_offset);
             if (initrd_size == -1) {
-                error_setg(&l_err, "could not load initrd '%s'\n", ipl->initrd);
+                error_setg(&l_err, "could not load initrd '%s'", ipl->initrd);
                 goto error;
             }
 
diff --git a/hw/s390x/s390-skeys-kvm.c b/hw/s390x/s390-skeys-kvm.c
index 682949a..eaa37ba 100644
--- a/hw/s390x/s390-skeys-kvm.c
+++ b/hw/s390x/s390-skeys-kvm.c
@@ -21,7 +21,7 @@
 
     r = skeyclass->get_skeys(ss, 0, 1, &single_key);
     if (r != 0 && r != KVM_S390_GET_SKEYS_NONE) {
-        error_report("S390_GET_KEYS error %d\n", r);
+        error_report("S390_GET_KEYS error %d", r);
     }
     return (r == 0);
 }
diff --git a/hw/s390x/s390-skeys.c b/hw/s390x/s390-skeys.c
index 4af1558..f2b732e 100644
--- a/hw/s390x/s390-skeys.c
+++ b/hw/s390x/s390-skeys.c
@@ -191,8 +191,8 @@
     /* Check for uint64 overflow and access beyond end of key data */
     if (start_gfn + count > skeydev->key_count || start_gfn + count < count) {
         error_report("Error: Setting storage keys for page beyond the end "
-                "of memory: gfn=%" PRIx64 " count=%" PRId64 "\n", start_gfn,
-                count);
+                     "of memory: gfn=%" PRIx64 " count=%" PRId64,
+                     start_gfn, count);
         return -EINVAL;
     }
 
@@ -211,8 +211,8 @@
     /* Check for uint64 overflow and access beyond end of key data */
     if (start_gfn + count > skeydev->key_count || start_gfn + count < count) {
         error_report("Error: Getting storage keys for page beyond the end "
-                "of memory: gfn=%" PRIx64 " count=%" PRId64 "\n", start_gfn,
-                count);
+                     "of memory: gfn=%" PRIx64 " count=%" PRId64,
+                     start_gfn, count);
         return -EINVAL;
     }
 
@@ -256,7 +256,7 @@
 
     buf = g_try_malloc(S390_SKEYS_BUFFER_SIZE);
     if (!buf) {
-        error_report("storage key save could not allocate memory\n");
+        error_report("storage key save could not allocate memory");
         goto end_stream;
     }
 
@@ -276,7 +276,7 @@
                  * use S390_SKEYS_SAVE_FLAG_ERROR to indicate failure to the
                  * reading side.
                  */
-                error_report("S390_GET_KEYS error %d\n", error);
+                error_report("S390_GET_KEYS error %d", error);
                 memset(buf, 0, S390_SKEYS_BUFFER_SIZE);
                 eos = S390_SKEYS_SAVE_FLAG_ERROR;
             }
@@ -314,7 +314,7 @@
             uint8_t *buf = g_try_malloc(S390_SKEYS_BUFFER_SIZE);
 
             if (!buf) {
-                error_report("storage key load could not allocate memory\n");
+                error_report("storage key load could not allocate memory");
                 ret = -ENOMEM;
                 break;
             }
@@ -326,7 +326,7 @@
 
                 ret = skeyclass->set_skeys(ss, cur_gfn, cur_count, buf);
                 if (ret < 0) {
-                    error_report("S390_SET_KEYS error %d\n", ret);
+                    error_report("S390_SET_KEYS error %d", ret);
                     break;
                 }
                 handled_count += cur_count;
diff --git a/hw/tpm/tpm_tis.c b/hw/tpm/tpm_tis.c
index ff073d5..95fc66e 100644
--- a/hw/tpm/tpm_tis.c
+++ b/hw/tpm/tpm_tis.c
@@ -1051,7 +1051,7 @@
 
     if (tis->irq_num > 15) {
         error_setg(errp, "tpm_tis: IRQ %d for TPM TIS is outside valid range "
-                   "of 0 to 15.\n", tis->irq_num);
+                   "of 0 to 15", tis->irq_num);
         return;
     }
 
diff --git a/migration/ram.c b/migration/ram.c
index 0490f00..5bfcca3 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -2323,7 +2323,7 @@
             } else {
                 /* not the 1st TP within the HP */
                 if (host != (last_host + TARGET_PAGE_SIZE)) {
-                    error_report("Non-sequential target page %p/%p\n",
+                    error_report("Non-sequential target page %p/%p",
                                   host, last_host);
                     ret = -EINVAL;
                     break;
diff --git a/migration/savevm.c b/migration/savevm.c
index bcaeb70..540eb28 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -1563,8 +1563,8 @@
     ret = qemu_get_buffer(mis->from_src_file, buffer, (int)length);
     if (ret != length) {
         g_free(buffer);
-        error_report("CMD_PACKAGED: Buffer receive fail ret=%d length=%d\n",
-                ret, length);
+        error_report("CMD_PACKAGED: Buffer receive fail ret=%d length=%d",
+                     ret, length);
         return (ret < 0) ? ret : -EAGAIN;
     }
     trace_loadvm_handle_cmd_packaged_received(ret);
diff --git a/net/vhost-user.c b/net/vhost-user.c
index b368a90..e4dd089 100644
--- a/net/vhost-user.c
+++ b/net/vhost-user.c
@@ -82,15 +82,15 @@
         options.opaque      = s->chr;
         s->vhost_net = vhost_net_init(&options);
         if (!s->vhost_net) {
-            error_report("failed to init vhost_net for queue %d\n", i);
+            error_report("failed to init vhost_net for queue %d", i);
             goto err;
         }
 
         if (i == 0) {
             max_queues = vhost_net_get_max_queues(s->vhost_net);
             if (queues > max_queues) {
-                error_report("you are asking more queues than "
-                             "supported: %d\n", max_queues);
+                error_report("you are asking more queues than supported: %d",
+                             max_queues);
                 goto err;
             }
         }
diff --git a/qemu-nbd.c b/qemu-nbd.c
index 99df01f..023eacd 100644
--- a/qemu-nbd.c
+++ b/qemu-nbd.c
@@ -554,7 +554,7 @@
         case 'k':
             sockpath = optarg;
             if (sockpath[0] != '/') {
-                error_report("socket path must be absolute\n");
+                error_report("socket path must be absolute");
                 exit(EXIT_FAILURE);
             }
             break;
@@ -571,7 +571,7 @@
                 exit(EXIT_FAILURE);
             }
             if (shared < 1) {
-                error_report("Shared device number must be greater than 0\n");
+                error_report("Shared device number must be greater than 0");
                 exit(EXIT_FAILURE);
             }
             break;
diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 8fe708f..5f91275 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -2254,7 +2254,7 @@
          */
         if (errno != ENOENT) {
             error_setg_errno(errp, errno, "Can't open directory"
-                             "\"/sys/devices/system/memory/\"\n");
+                             "\"/sys/devices/system/memory/\"");
         }
         return NULL;
     }
diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index 35a1f12..775e0a4 100644
--- a/target-arm/cpu.c
+++ b/target-arm/cpu.c
@@ -649,7 +649,7 @@
         uint32_t nr = cpu->pmsav7_dregion;
 
         if (nr > 0xff) {
-            error_setg(errp, "PMSAv7 MPU #regions invalid %" PRIu32 "\n", nr);
+            error_setg(errp, "PMSAv7 MPU #regions invalid %" PRIu32, nr);
             return;
         }
 
diff --git a/target-arm/machine.c b/target-arm/machine.c
index 36a0d15..b1e1418 100644
--- a/target-arm/machine.c
+++ b/target-arm/machine.c
@@ -337,11 +337,11 @@
         return "kvm-arm-gicv3";
 #else
         error_report("KVM GICv3 acceleration is not supported on this "
-                     "platform\n");
+                     "platform");
 #endif
     } else {
         /* TODO: Software emulation is not implemented yet */
-        error_report("KVM is currently required for GICv3 emulation\n");
+        error_report("KVM is currently required for GICv3 emulation");
     }
 
     exit(1);