diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2014-02-20 14:54:28 +0100 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2014-02-20 14:54:28 +0100 |
| commit | d4263348f796f29546f90802177865dd4379dd0a (patch) | |
| tree | adcbdaebae584eee2f32fab95e826e8e49eef385 /drivers/char/nwbutton.c | |
| parent | be873ac782f5ff5ee6675f83929f4fe6737eead2 (diff) | |
| parent | 6d0abeca3242a88cab8232e4acd7e2bf088f3bc2 (diff) | |
Merge branch 'master' into for-next
Diffstat (limited to 'drivers/char/nwbutton.c')
| -rw-r--r-- | drivers/char/nwbutton.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/char/nwbutton.c b/drivers/char/nwbutton.c index 1fd00dc06897..76c490fa0511 100644 --- a/drivers/char/nwbutton.c +++ b/drivers/char/nwbutton.c @@ -168,7 +168,10 @@ static irqreturn_t button_handler (int irq, void *dev_id) static int button_read (struct file *filp, char __user *buffer, size_t count, loff_t *ppos) { - interruptible_sleep_on (&button_wait_queue); + DEFINE_WAIT(wait); + prepare_to_wait(&button_wait_queue, &wait, TASK_INTERRUPTIBLE); + schedule(); + finish_wait(&button_wait_queue, &wait); return (copy_to_user (buffer, &button_output_buffer, bcount)) ? -EFAULT : bcount; } |