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authorMartin Wilck <mwilck@suse.com>2021-03-23 22:24:31 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2021-03-24 23:19:23 -0400
commit36fa766faa0c822c860e636fe82b1affcd022974 (patch)
tree1b190a28f629a66e60958b510c1c48f3deb68389 /drivers/target
parent077ce028b8e0684d5ee7da573bd835b14b591546 (diff)
scsi: target: pscsi: Clean up after failure in pscsi_map_sg()
If pscsi_map_sg() fails, make sure to drop references to already allocated bios. Link: https://lore.kernel.org/r/20210323212431.15306-2-mwilck@suse.com Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin Wilck <mwilck@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/target')
-rw-r--r--drivers/target/target_core_pscsi.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index 6fa9fddc2e1e..9ee797b8cb7e 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -938,6 +938,14 @@ new_bio:
return 0;
fail:
+ if (bio)
+ bio_put(bio);
+ while (req->bio) {
+ bio = req->bio;
+ req->bio = bio->bi_next;
+ bio_put(bio);
+ }
+ req->biotail = NULL;
return TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
}