Fix __reserve_metadata_snap() to return early if __commit_transaction()
fails.
Signed-off-by: Mike Snitzer <snitzer@xxxxxxxxxx>
---
drivers/md/dm-thin-metadata.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c
index f4e8327abc75..3ba27f5f7da9 100644
--- a/drivers/md/dm-thin-metadata.c
+++ b/drivers/md/dm-thin-metadata.c
@@ -1248,7 +1248,12 @@ static int __reserve_metadata_snap(struct dm_pool_metadata *pmd)
* We commit to ensure the btree roots which we increment in a
* moment are up to date.
*/
- __commit_transaction(pmd);
+ r = __commit_transaction(pmd);
+ if (r < 0) {
+ DMWARN("%s: __commit_transaction() failed, error = %d",
+ __func__, r);
+ return r;
+ }
/*
* Copy the superblock.
--
2.18.0
--
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