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path: root/drivers/usb/host/whci/qset.c
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Diffstat (limited to 'drivers/usb/host/whci/qset.c')
-rw-r--r--drivers/usb/host/whci/qset.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c
index dc31c425c..9f1c0538b 100644
--- a/drivers/usb/host/whci/qset.c
+++ b/drivers/usb/host/whci/qset.c
@@ -377,6 +377,10 @@ static int qset_fill_page_list(struct whc *whc, struct whc_std *std, gfp_t mem_f
if (std->pl_virt == NULL)
return -ENOMEM;
std->dma_addr = dma_map_single(whc->wusbhc.dev, std->pl_virt, pl_len, DMA_TO_DEVICE);
+ if (dma_mapping_error(whc->wusbhc.dev, std->dma_addr)) {
+ kfree(std->pl_virt);
+ return -EFAULT;
+ }
for (p = 0; p < std->num_pointers; p++) {
std->pl_virt[p].buf_ptr = cpu_to_le64(dma_addr);