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authorJack Wang <jinpu.wang@ionos.com>2022-08-26 12:14:35 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2022-09-06 22:14:14 -0400
commit9806d1b895f42c919620539b8e7621d73ea6d60d (patch)
tree11184c00d0a8f03d9d231305aa573ce8d914715c /drivers/scsi/qlogicpti.c
parent68a3a9102a6891635fa7595ce78808e57b66fc6f (diff)
scsi: qlogicpti: Fix dma_map_sg() check
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>
Diffstat (limited to 'drivers/scsi/qlogicpti.c')
-rw-r--r--drivers/scsi/qlogicpti.c3
1 files changed, 2 insertions, 1 deletions
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;