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Michal Nazarewicz authored
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: 9353afbb ("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>
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