scsi: 53c700: Check that command slot is not NULL
authorAlexandra Diupina <adiupina@astralinux.ru>
Fri, 28 Jul 2023 12:35:21 +0000 (15:35 +0300)
committerMartin K. Petersen <martin.petersen@oracle.com>
Mon, 31 Jul 2023 18:38:17 +0000 (14:38 -0400)
commit8366d1f1249a0d0bba41d0bd1298d63e5d34c7f7
tree63e603d7098e07c27b912adee3f6ff989c54aefc
parent5a43b07a87835660f91d88a4db11abfea8c523b7
scsi: 53c700: Check that command slot is not NULL

Add a check for the command slot value to avoid dereferencing a NULL
pointer.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Co-developed-by: Vladimir Telezhnikov <vtelezhnikov@astralinux.ru>
Signed-off-by: Vladimir Telezhnikov <vtelezhnikov@astralinux.ru>
Signed-off-by: Alexandra Diupina <adiupina@astralinux.ru>
Link: https://lore.kernel.org/r/20230728123521.18293-1-adiupina@astralinux.ru
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/53c700.c