ALSA: line6: Drop superfluous irqsave/irqrestore in PCM trigger callback

The PCM trigger callback is guaranteed to be called already in
spinlock / irq-disabled context.

Tested-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 4 insertions, 7 deletions

diff --git a/sound/usb/line6/pcm.c b/sound/usb/line6/pcm.c
index 932cc7e194e2..edab3cd7c048 100644
--- a/sound/usb/line6/pcm.c
+++ b/sound/usb/line6/pcm.c
@@ -227,9 +227,8 @@ int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd)
         struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);
         struct snd_pcm_substream *s;
         int err;
-        unsigned long flags;
 
-        spin_lock_irqsave(&line6pcm->lock_trigger, flags);
+        spin_lock(&line6pcm->lock_trigger);
         clear_bit(LINE6_INDEX_PREPARED, &line6pcm->flags);
 
         snd_pcm_group_for_each_entry(s, substream) {
@@ -240,8 +239,7 @@ int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd)
                         err = snd_line6_playback_trigger(line6pcm, cmd);
 
                         if (err < 0) {
-                                spin_unlock_irqrestore(&line6pcm->lock_trigger,
-                                                       flags);
+                                spin_unlock(&line6pcm->lock_trigger);
                                 return err;
                         }
 
@@ -251,8 +249,7 @@ int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd)
                         err = snd_line6_capture_trigger(line6pcm, cmd);
 
                         if (err < 0) {
-                                spin_unlock_irqrestore(&line6pcm->lock_trigger,
-                                                       flags);
+                                spin_unlock(&line6pcm->lock_trigger);
                                 return err;
                         }
 
@@ -264,7 +261,7 @@ int snd_line6_trigger(struct snd_pcm_substream *substream, int cmd)
                 }
         }
 
-        spin_unlock_irqrestore(&line6pcm->lock_trigger, flags);
+        spin_unlock(&line6pcm->lock_trigger);
         return 0;
 }