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| author | Shreyas Deodhar <sdeodhar@marvell.com> | 2023-06-07 14:38:41 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-07-27 09:44:33 +0300 |
| commit | 5addd62586a94a572359418464ce0ae12fa46187 (patch) | |
| tree | 91934b71fffc7c10033ff8556485074cbc0bbf13 /drivers/scsi/qla2xxx/qla_bsg.c | |
| parent | e8de73238d5d5db64b94474023adc26223088a3f (diff) | |
| download | linux-5addd62586a94a572359418464ce0ae12fa46187.tar.xz | |
scsi: qla2xxx: Pointer may be dereferenced
commit 00eca15319d9ce8c31cdf22f32a3467775423df4 upstream.
Klocwork tool reported pointer 'rport' returned from call to function
fc_bsg_to_rport() may be NULL and will be dereferenced.
Add a fix to validate rport before dereferencing.
Cc: stable@vger.kernel.org
Signed-off-by: Shreyas Deodhar <sdeodhar@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Link: https://lore.kernel.org/r/20230607113843.37185-7-njavali@marvell.com
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_bsg.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_bsg.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index d5e96523ba12..804cac4c3476 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -2545,6 +2545,8 @@ qla24xx_bsg_request(struct bsg_job *bsg_job) if (bsg_request->msgcode == FC_BSG_RPT_ELS) { rport = fc_bsg_to_rport(bsg_job); + if (!rport) + return ret; host = rport_to_shost(rport); vha = shost_priv(host); } else { |