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authorFelipe Balbi <felipe.balbi@linux.intel.com>2016-08-24 14:33:27 +0300
committerFelipe Balbi <felipe.balbi@linux.intel.com>2016-08-25 10:36:24 +0300
commit23fd537c9508fb6e3b93ddf23982f51afc087781 (patch)
tree90fbfe01bd55649a16b5db841e81a97a0fb15ad4 /drivers/usb
parent511a36d2f357724312bb3776d2f6eed3890928b2 (diff)
downloadlinux-23fd537c9508fb6e3b93ddf23982f51afc087781.tar.xz
usb: gadget: udc: core: don't starve DMA resources
Always unmap all SG entries as required by DMA API Fixes: a698908d3b3b ("usb: gadget: add generic map/unmap request utilities") Cc: <stable@vger.kernel.org> # v3.4+ Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/gadget/udc/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c
index 934f83881c30..40c04bb25f2f 100644
--- a/drivers/usb/gadget/udc/core.c
+++ b/drivers/usb/gadget/udc/core.c
@@ -827,7 +827,7 @@ void usb_gadget_unmap_request_by_dev(struct device *dev,
return;
if (req->num_mapped_sgs) {
- dma_unmap_sg(dev, req->sg, req->num_mapped_sgs,
+ dma_unmap_sg(dev, req->sg, req->num_sgs,
is_in ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
req->num_mapped_sgs = 0;