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path: root/drivers/net/irda/vlsi_ir.c
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Diffstat (limited to 'drivers/net/irda/vlsi_ir.c')
-rw-r--r--drivers/net/irda/vlsi_ir.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c
index a0849f49bbec..c0192f97ecc8 100644
--- a/drivers/net/irda/vlsi_ir.c
+++ b/drivers/net/irda/vlsi_ir.c
@@ -418,8 +418,9 @@ static struct vlsi_ring *vlsi_alloc_ring(struct pci_dev *pdev, struct ring_descr
memset(rd, 0, sizeof(*rd));
rd->hw = hwmap + i;
rd->buf = kmalloc(len, GFP_KERNEL|GFP_DMA);
- if (rd->buf == NULL ||
- !(busaddr = pci_map_single(pdev, rd->buf, len, dir))) {
+ if (rd->buf)
+ busaddr = pci_map_single(pdev, rd->buf, len, dir);
+ if (rd->buf == NULL || pci_dma_mapping_error(pdev, busaddr)) {
if (rd->buf) {
net_err_ratelimited("%s: failed to create PCI-MAP for %p\n",
__func__, rd->buf);
@@ -430,8 +431,7 @@ static struct vlsi_ring *vlsi_alloc_ring(struct pci_dev *pdev, struct ring_descr
rd = r->rd + j;
busaddr = rd_get_addr(rd);
rd_set_addr_status(rd, 0, 0);
- if (busaddr)
- pci_unmap_single(pdev, busaddr, len, dir);
+ pci_unmap_single(pdev, busaddr, len, dir);
kfree(rd->buf);
rd->buf = NULL;
}