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scsi: qlogicpti: Fix dma_map_sg() check

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Add 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

Link: https://lore.kernel.org/r/20220826101435.79170-1-jinpu.wang@ionos.com
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Jack Wang 2022-08-26 12:14:35 +02:00 committed by Martin K. Petersen
parent 68a3a9102a
commit 9806d1b895
1 changed files with 2 additions and 1 deletions
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3
drivers/scsi/qlogicpti.c
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@ -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;