[SCSI] hpsa: Check for dma_mapping_error in hpsa_map_one
Signed-off-by: Shuah Khan <shuah.khan@hp.com>
Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 4f33806..3b4d195 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -1405,6 +1405,11 @@
}
addr64 = (u64) pci_map_single(pdev, buf, buflen, data_direction);
+ if (dma_mapping_error(&pdev->dev, addr64)) {
+ cp->Header.SGList = 0;
+ cp->Header.SGTotal = 0;
+ return;
+ }
cp->SG[0].Addr.lower =
(u32) (addr64 & (u64) 0x00000000FFFFFFFF);
cp->SG[0].Addr.upper =