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path: root/drivers/scsi/fnic/fnic_scsi.c
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Diffstat (limited to 'drivers/scsi/fnic/fnic_scsi.c')
-rw-r--r--drivers/scsi/fnic/fnic_scsi.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/scsi/fnic/fnic_scsi.c b/drivers/scsi/fnic/fnic_scsi.c
index 25436cd2860c..266b909fe854 100644
--- a/drivers/scsi/fnic/fnic_scsi.c
+++ b/drivers/scsi/fnic/fnic_scsi.c
@@ -330,6 +330,7 @@ static inline int fnic_queue_wq_copy_desc(struct fnic *fnic,
int flags;
u8 exch_flags;
struct scsi_lun fc_lun;
+ int r;
if (sg_count) {
/* For each SGE, create a device desc entry */
@@ -346,6 +347,12 @@ static inline int fnic_queue_wq_copy_desc(struct fnic *fnic,
io_req->sgl_list,
sizeof(io_req->sgl_list[0]) * sg_count,
PCI_DMA_TODEVICE);
+
+ r = pci_dma_mapping_error(fnic->pdev, io_req->sgl_list_pa);
+ if (r) {
+ printk(KERN_ERR "PCI mapping failed with error %d\n", r);
+ return SCSI_MLQUEUE_HOST_BUSY;
+ }
}
io_req->sense_buf_pa = pci_map_single(fnic->pdev,
@@ -353,6 +360,15 @@ static inline int fnic_queue_wq_copy_desc(struct fnic *fnic,
SCSI_SENSE_BUFFERSIZE,
PCI_DMA_FROMDEVICE);
+ r = pci_dma_mapping_error(fnic->pdev, io_req->sense_buf_pa);
+ if (r) {
+ pci_unmap_single(fnic->pdev, io_req->sgl_list_pa,
+ sizeof(io_req->sgl_list[0]) * sg_count,
+ PCI_DMA_TODEVICE);
+ printk(KERN_ERR "PCI mapping failed with error %d\n", r);
+ return SCSI_MLQUEUE_HOST_BUSY;
+ }
+
int_to_scsilun(sc->device->lun, &fc_lun);
/* Enqueue the descriptor in the Copy WQ */