X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=kernel%2Fdrivers%2Fusb%2Fhost%2Fwhci%2Fqset.c;h=9f1c0538b211217d21184ef2527f764933aace0d;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=dc31c425ce0179551b27e2d7a900f1bb7b411ad8;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git

diff --git a/kernel/drivers/usb/host/whci/qset.c b/kernel/drivers/usb/host/whci/qset.c
index dc31c425c..9f1c0538b 100644
--- a/kernel/drivers/usb/host/whci/qset.c
+++ b/kernel/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);