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| author | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-08-24 14:33:27 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-09-07 08:34:54 +0200 |
| commit | 8951e13689dfb782eea05d9431489d8d5bcfad97 (patch) | |
| tree | 980274d2566c7e2576dde6405f3612f840c96f7b /drivers | |
| parent | 01e62b1ed5a7f85ca333329a49a3bc405668a1e0 (diff) | |
| download | lwn-8951e13689dfb782eea05d9431489d8d5bcfad97.tar.gz lwn-8951e13689dfb782eea05d9431489d8d5bcfad97.zip | |
usb: gadget: udc: core: don't starve DMA resources
commit 23fd537c9508fb6e3b93ddf23982f51afc087781 upstream.
Always unmap all SG entries as required by DMA API
Fixes: a698908d3b3b ("usb: gadget: add generic map/unmap request utilities")
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/gadget/udc/udc-core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/gadget/udc/udc-core.c b/drivers/usb/gadget/udc/udc-core.c index e1b2dcebdc2e..bd4695075bac 100644 --- a/drivers/usb/gadget/udc/udc-core.c +++ b/drivers/usb/gadget/udc/udc-core.c @@ -106,7 +106,7 @@ 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; |