scsi: qla2xxx: Fix potential NULL pointer dereference
authorBikash Hazarika <bhazarika@marvell.com>
Wed, 7 Jun 2023 11:38:37 +0000 (17:08 +0530)
committerMartin K. Petersen <martin.petersen@oracle.com>
Thu, 15 Jun 2023 02:06:01 +0000 (22:06 -0400)
commit464ea494a40c6e3e0e8f91dd325408aaf21515ba
tree292f833e2173e90381acdcbf319a4db93a0b03de
parentd721b591b95cf3f290f8a7cbe90aa2ee0368388d
scsi: qla2xxx: Fix potential NULL pointer dereference

Klocwork tool reported 'cur_dsd' may be dereferenced.  Add fix to validate
pointer before dereferencing the pointer.

Cc: stable@vger.kernel.org
Signed-off-by: Bikash Hazarika <bhazarika@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20230607113843.37185-3-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/qla2xxx/qla_iocb.c