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authorKevin Wolf <kwolf@redhat.com>2018-06-26 13:22:45 +0200
committerKevin Wolf <kwolf@redhat.com>2018-06-29 14:20:56 +0200
commitae5475e82fd1ebb24f4f77cf28f59ca6548c6136 (patch)
tree961e73eb68a76836836b95ed180153345e54e6d2
parent7c8952697e9c44931090251e142c1d3108c22be4 (diff)
qcow2: Fix qcow2_truncate() error return value
If qcow2_alloc_clusters_at() returns an error, we do need to negate it to get back the positive errno code for error_setg_errno(), but we still need to return the negative error code. Fixes: 772d1f973f87269f6a4a4ea4b880680f3779bbdf Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
-rw-r--r--block/qcow2.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/qcow2.c b/block/qcow2.c
index a3a3aa2a97..6b2e1e1058 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -3597,7 +3597,7 @@ static int qcow2_truncate(BlockDriverState *bs, int64_t offset,
if (clusters_allocated < 0) {
error_setg_errno(errp, -clusters_allocated,
"Failed to allocate data clusters");
- return -clusters_allocated;
+ return clusters_allocated;
}
assert(clusters_allocated == nb_new_data_clusters);