qcow2: Emit errp when truncating the image tail
bdrv_truncate() has an errp parameter which is always set when an error
occurs. Let's use that instead of a plain strerror().
Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-id: 20171009155431.14093-1-mreitz@redhat.com
Reviewed-by: Pavel Butsykin <pbutsykin@virtuozzo.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
diff --git a/block/qcow2.c b/block/qcow2.c
index f77b490..d3e114b 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -3145,12 +3145,13 @@
return last_cluster;
}
if ((last_cluster + 1) * s->cluster_size < old_file_size) {
- ret = bdrv_truncate(bs->file, (last_cluster + 1) * s->cluster_size,
- PREALLOC_MODE_OFF, NULL);
- if (ret < 0) {
- warn_report("Failed to truncate the tail of the image: %s",
- strerror(-ret));
- ret = 0;
+ Error *local_err = NULL;
+
+ bdrv_truncate(bs->file, (last_cluster + 1) * s->cluster_size,
+ PREALLOC_MODE_OFF, &local_err);
+ if (local_err) {
+ warn_reportf_err(local_err,
+ "Failed to truncate the tail of the image: ");
}
}
} else {
