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(parent: 9840e8f) | patch
usb: dwc3: gadget: delay unmap of bounced requests
authorJanusz Dziedzic <januszx.dziedzic@intel.com>
Mon, 13 Mar 2017 12:11:32 +0000 (14:11 +0200)
committerJiri Slaby <jslaby@suse.cz>
Fri, 28 Apr 2017 17:30:37 +0000 (19:30 +0200)
commit45f27a17a0c14a7f80bc44c90947a8e62817eace
treeee1f8fbf9fd6e163727fd5eb12b8f0ca0df79f03tree | snapshot
parent9840e8fb9edaa9a930eb6f922f61cfbf91073c51commit | diff
usb: dwc3: gadget: delay unmap of bounced requests

commit de288e36fe33f7e06fa272bc8e2f85aa386d99aa upstream.

In the case of bounced ep0 requests, we must delay DMA operation until
after ->complete() otherwise we might overwrite contents of req->buf.

This caused problems with RNDIS gadget.

Signed-off-by: Janusz Dziedzic <januszx.dziedzic@intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
drivers/usb/dwc3/gadget.c diff | blob | history
wrapfs-3.12.y