]> git.itanic.dy.fi Git - linux-stable/commit
scsi: ufs: core: Fix referencing invalid rsp field
authorDaejun Park <daejun7.park@samsung.com>
Thu, 19 May 2022 06:05:29 +0000 (15:05 +0900)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 25 May 2022 07:57:34 +0000 (09:57 +0200)
commite80793223252629091ec08b3f8c3e8f162b6507f
tree00c2fadd600d154812017a54f667c904815dd30c
parentd0116a3f25e29af68b323035030b2fa2a7ee74ec
scsi: ufs: core: Fix referencing invalid rsp field

[ Upstream commit d5d92b64408443e113b9742f8f1c35278910dd4d ]

Fix referencing sense data when it is invalid. When the length of the data
segment is 0, there is no valid information in the rsp field, so
ufshpb_rsp_upiu() is returned without additional operation.

Link: https://lore.kernel.org/r/252651381.41652940482659.JavaMail.epsvc@epcpadp4
Fixes: 4b5f49079c52 ("scsi: ufs: ufshpb: L2P map management for HPB read")
Acked-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Daejun Park <daejun7.park@samsung.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/scsi/ufs/ufshpb.c