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eb831743f2
The nwbutton driver uses interruptible_sleep_on to wait for buttons getting pressed after we enter the read() function, which is inherently racy and cannot be fixed by using wait_event without changing the driver's user space interface. Instead, this patch just uses an open-coded variant of the same interruptible_sleep_on() call, so the driver behavior doesn't change but we remove the sleep_on family from the kernel. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
247 lines
7.9 KiB
247 lines
7.9 KiB