[ALSA] sound/core/control.c: remove dead code

This patch removes some obviously dead code spotted by the Coverity
checker.

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

diff --git a/sound/core/control.c b/sound/core/control.c
index 48ef0a0..0c7bcd6 100644 (file)
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -1275,7 +1275,7 @@ static ssize_t snd_ctl_read(struct file *file, char __user *buffer,
                        schedule();
                        remove_wait_queue(&ctl->change_sleep, &wait);
                        if (signal_pending(current))
-                               return result > 0 ? result : -ERESTARTSYS;
+                               return -ERESTARTSYS;
                        spin_lock_irq(&ctl->read_lock);
                }
                kev = snd_kctl_event(ctl->events.next);