Messages in this thread Patch in this message | | | From | Jack Wang <> | Subject | [PATCH] scsi/qlogicpti: Fix dma_map_sg check | Date | Fri, 26 Aug 2022 12:14:35 +0200 |
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Add the missing error check for dma_map_sg.
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com> Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: linux-scsi@vger.kernel.org Cc: linux-kernel@vger.kernel.org
Signed-off-by: Jack Wang <jinpu.wang@ionos.com> --- 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
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