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Commit a1ed4d9e authored by Mike Snitzer's avatar Mike Snitzer
Browse files

dm thin metadata: check __commit_transaction()'s return 



Fix __reserve_metadata_snap() to return early if __commit_transaction()
fails.

Signed-off-by: default avatarMike Snitzer <snitzer@redhat.com>
parent c6e086e0

drivers/md/dm-thin-metadata.c

+6 −1
Original line number Diff line number Diff line
@@ -1225,7 +1225,12 @@ 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.