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author | Martin Wilck <mwilck@suse.com> | 2021-03-24 00:24:31 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-10 14:36:09 +0300 |
commit | 47f8bc68ae956afdb1e0a36b5981f2f7d0b1db1d (patch) | |
tree | f7f1ee89b60a1ee999741445e3b952051da99b12 /drivers/target | |
parent | 266d3106efbd9ffe92e0b86789299feae0750991 (diff) | |
download | linux-47f8bc68ae956afdb1e0a36b5981f2f7d0b1db1d.tar.xz |
scsi: target: pscsi: Clean up after failure in pscsi_map_sg()
[ Upstream commit 36fa766faa0c822c860e636fe82b1affcd022974 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/target')
-rw-r--r-- | drivers/target/target_core_pscsi.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 4e37fa9b409d..723a51a3f431 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -939,6 +939,14 @@ 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; } |