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authorIngo Molnar <mingo@elte.hu>2008-12-31 08:19:48 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-31 08:19:48 +0100
commit818fa7f3908c7bd6c0045e9d94dc23a899ef6144 (patch)
treead3435c3f57c8222ad61709b716168932f13be6c /drivers/scsi/eata.c
parent3fd4bc015ef879a7d2b955ce97fb125e3a51ba7e (diff)
parent5fdf7e5975a0b0f6a0370655612c5dca3fd6311b (diff)
downloadop-kernel-dev-818fa7f3908c7bd6c0045e9d94dc23a899ef6144.zip
op-kernel-dev-818fa7f3908c7bd6c0045e9d94dc23a899ef6144.tar.gz
Merge branch 'tracing/kmemtrace' into tracing/kmemtrace2
Diffstat (limited to 'drivers/scsi/eata.c')
-rw-r--r--drivers/scsi/eata.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/scsi/eata.c b/drivers/scsi/eata.c
index a73a6bb..976cdd5 100644
--- a/drivers/scsi/eata.c
+++ b/drivers/scsi/eata.c
@@ -1626,8 +1626,15 @@ static void map_dma(unsigned int i, struct hostdata *ha)
cpp->sense_len = SCSI_SENSE_BUFFERSIZE;
- count = scsi_dma_map(SCpnt);
- BUG_ON(count < 0);
+ if (!scsi_sg_count(SCpnt)) {
+ cpp->data_len = 0;
+ return;
+ }
+
+ count = pci_map_sg(ha->pdev, scsi_sglist(SCpnt), scsi_sg_count(SCpnt),
+ pci_dir);
+ BUG_ON(!count);
+
scsi_for_each_sg(SCpnt, sg, count, k) {
cpp->sglist[k].address = H2DEV(sg_dma_address(sg));
cpp->sglist[k].num_bytes = H2DEV(sg_dma_len(sg));
@@ -1655,7 +1662,9 @@ static void unmap_dma(unsigned int i, struct hostdata *ha)
pci_unmap_single(ha->pdev, DEV2H(cpp->sense_addr),
DEV2H(cpp->sense_len), PCI_DMA_FROMDEVICE);
- scsi_dma_unmap(SCpnt);
+ if (scsi_sg_count(SCpnt))
+ pci_unmap_sg(ha->pdev, scsi_sglist(SCpnt), scsi_sg_count(SCpnt),
+ pci_dir);
if (!DEV2H(cpp->data_len))
pci_dir = PCI_DMA_BIDIRECTIONAL;
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