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[SCSI] hpsa: Check for dma_mapping_error in hpsa_map_one

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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>
This commit is contained in:
Shuah Khan 2013-02-20 11:24:34 -06:00 • committed by James Bottomley
parent 208afec4f3
commit eceaae187d
1 changed files with 5 additions and 0 deletions
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5
drivers/scsi/hpsa.c
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@ -1405,6 +1405,11 @@ static void hpsa_map_one(struct pci_dev *pdev,
} }
addr64 = (u64) pci_map_single(pdev, buf, buflen, data_direction); 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 = cp->SG[0].Addr.lower =
(u32) (addr64 & (u64) 0x00000000FFFFFFFF); (u32) (addr64 & (u64) 0x00000000FFFFFFFF);
cp->SG[0].Addr.upper = cp->SG[0].Addr.upper =