usb: dwc3: gadget: delay unmap of bounced requests

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commit de288e36fe 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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Janusz Dziedzic 2017-03-13 14:11:32 +02:00 • committed by Greg Kroah-Hartman

parent ee670af5fe

commit d9a97dcdf5

1 changed files with 17 additions and 4 deletions

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drivers/usb/dwc3/gadget.c

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