SCSI: advansys: handle errors from scsi_dma_map()

PATCH New Dan Carpenter 1 participant 1 message Sep 20, 2011

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SCSI Kernel janitors Advansys SCSI driver

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Dan Carpenter

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2011-09-20 06:47 UTC #0 lore raw

PATCH 1/2 SCSI: advansys: handle errors from scsi_dma_map()

scsi_dma_map() returns -ENOMEM on error.

Signed-off-by Dan Carpenter <[email protected]>

drivers/scsi/advansys.c +6 -0

index bfd618a..04035af 100644
@@ -8427,6 +8427,12 @@ static int asc_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
 
 	/* Build ASC_SCSI_Q */
 	use_sg = scsi_dma_map(scp);
+	if (use_sg < 0) {
+		scsi_dma_unmap(scp);
+		scp->result = HOST_BYTE(DID_SOFT_ERROR);
+		return ASC_ERROR;
+	}
+
 	if (use_sg != 0) {
 		int sgcnt;
 		struct scatterlist *slp;