Michal Nazarewicz a9e6f83c2d usb: gadget: f_fs: stop sleeping in ffs_func_eps_disable
ffs_func_eps_disable is called from atomic context so it cannot sleep
thus cannot grab a mutex.  Change the handling of epfile->read_buffer
to use non-sleeping synchronisation method.

Reported-by: Chen Yu <chenyu56@huawei.com>
Signed-off-by: Michał Nazarewicz <mina86@mina86.com>
Fixes: 9353afbbfa7b ("buffer data from ‘oversized’ OUT requests")
Tested-by: John Stultz <john.stultz@linaro.org>
Tested-by: Chen Yu <chenyu56@huawei.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2016-10-17 12:34:25 +03:00
..
2016-08-25 12:13:20 +03:00
2014-11-06 16:18:19 -06:00
2015-08-06 09:35:20 -05:00