-----Original Message-----
From: <linux-scsi-owner@xxxxxxxxxxxxxxx> on behalf of Young Xiao
<92siuyang@xxxxxxxxx>
Date: Friday, 14 June 2019 at 2:06 PM
To: "QLogic-Storage-Upstream@xxxxxxxxxx"
<QLogic-Storage-Upstream@xxxxxxxxxx>, "jejb@xxxxxxxxxxxxx"
<jejb@xxxxxxxxxxxxx>, "martin.petersen@xxxxxxxxxx"
<martin.petersen@xxxxxxxxxx>, "linux-scsi@xxxxxxxxxxxxxxx"
<linux-scsi@xxxxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx"
<linux-kernel@xxxxxxxxxxxxxxx>
Cc: Young Xiao <92siuyang@xxxxxxxxx>
Subject: [PATCH] scsi: bnx2fc: Check if sense buffer has been allocated
during completion
>sc_cmd->sense_buffer is not guaranteed to be allocated so we need to
>sc_cmd->check if the pointer is NULL before trying to copy anything into
>it.
>
>See commit 16a611154dc1 ("scsi: qedf: Check if sense buffer has been
>allocated
>during completion") for details.
>
>Signed-off-by: Young Xiao <92siuyang@xxxxxxxxx>
>---
> drivers/scsi/bnx2fc/bnx2fc_io.c | 8 +++++---
> 1 file changed, 5 insertions(+), 3 deletions(-)
>
>diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c
>b/drivers/scsi/bnx2fc/bnx2fc_io.c
>index 8def63c..44a5e59 100644
>--- a/drivers/scsi/bnx2fc/bnx2fc_io.c
>+++ b/drivers/scsi/bnx2fc/bnx2fc_io.c
>@@ -1789,9 +1789,11 @@ static void bnx2fc_parse_fcp_rsp(struct bnx2fc_cmd
>*io_req,
> fcp_sns_len = SCSI_SENSE_BUFFERSIZE;
> }
>
>- memset(sc_cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
>- if (fcp_sns_len)
>- memcpy(sc_cmd->sense_buffer, rq_data, fcp_sns_len);
>+ if (sc_cmd->sense_buffer) {
>+ memset(sc_cmd->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
>+ if (fcp_sns_len)
>+ memcpy(sc_cmd->sense_buffer, rq_data, fcp_sns_len);
>+ }
>
> /* return RQ entries */
> for (i = 0; i < num_rq; i++)
>--
>2.7.4
Thanks for the patch
Acked-by: Saurav Kashyap <skashyap@xxxxxxxxxxx>
Thanks,
~Saurav
>
