Input: fix polling of /proc/bus/input/devices

Tested-by: Alessio Sangalli <alesan@manoweb.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov 2009-03-04 00:52:20 -08:00
parent d15c22e786
commit fa88661224

View File

@ -744,11 +744,11 @@ static inline void input_wakeup_procfs_readers(void)
static unsigned int input_proc_devices_poll(struct file *file, poll_table *wait) static unsigned int input_proc_devices_poll(struct file *file, poll_table *wait)
{ {
int state = input_devices_state;
poll_wait(file, &input_devices_poll_wait, wait); poll_wait(file, &input_devices_poll_wait, wait);
if (state != input_devices_state) if (file->f_version != input_devices_state) {
file->f_version = input_devices_state;
return POLLIN | POLLRDNORM; return POLLIN | POLLRDNORM;
}
return 0; return 0;
} }