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qcow2: Always use error path on writing snapshots 

qcow2_write_snapshots does contain a fail label and there is no reason
not to use it on some errors; therefore, we should always jump there on
error.

Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Max Reitz 2013-10-09 10:51:04 +02:00 committed by Kevin Wolf
parent 8f730dd24e
commit 37d41f0a04
1 changed files with 4 additions and 3 deletions
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7
block/qcow2-snapshot.c
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@ -182,11 +182,12 @@ static int qcow2_write_snapshots(BlockDriverState *bs)
snapshots_offset = qcow2_alloc_clusters(bs, snapshots_size);
offset = snapshots_offset;
if (offset < 0) {
return offset;
ret = offset;
goto fail;
}
ret = bdrv_flush(bs);
if (ret < 0) {
return ret;
goto fail;
}
/* The snapshot list position has not yet been updated, so these clusters
@ -194,7 +195,7 @@ static int qcow2_write_snapshots(BlockDriverState *bs)
ret = qcow2_pre_write_overlap_check(bs, QCOW2_OL_DEFAULT, offset,
snapshots_size);
if (ret < 0) {
return ret;
goto fail;
}