2022-08-26 11:27:48

by Jinpu Wang

Subject: [PATCH] scsi/qlogicpti: Fix dma_map_sg check

Add the missing error check for dma_map_sg.

Cc: "James E.J. Bottomley" <[email protected]>
Cc: "Martin K. Petersen" <[email protected]>
Cc: [email protected]
Cc: [email protected]

Signed-off-by: Jack Wang <[email protected]>
---
drivers/scsi/qlogicpti.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 57f2f4135a06..8c961ff03fcd 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -909,7 +909,8 @@ static inline int load_cmd(struct scsi_cmnd *Cmnd, struct Command_Entry *cmd,
sg_count = dma_map_sg(&qpti->op->dev, sg,
scsi_sg_count(Cmnd),
Cmnd->sc_data_direction);
-
+ if (!sg_count)
+ return -1;
ds = cmd->dataseg;
cmd->segment_cnt = sg_count;

--
2.34.1

2022-09-07 03:05:10

by Martin K. Petersen

Subject: Re: [PATCH] scsi/qlogicpti: Fix dma_map_sg check

Jack,

> Add the missing error check for dma_map_sg.

Applied to 6.1/scsi-staging, thanks!

--
Martin K. Petersen Oracle Linux Engineering