Techwizz/kernel-fxtec-pro1x
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sound: Add missing spin_unlock

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Add a spin_unlock missing on the error path.

The semantic match that finds this problem is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression E1;
@@

* spin_lock(E1,...);
  <+... when != E1
  if (...) {
    ... when != E1
*   return ...;
  }
  ...+>
* spin_unlock(E1,...);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Julia Lawall 2010-05-26 17:59:27 +02:00 committed by Takashi Iwai
parent 4daf7a0c0b
commit 1efddcc981
2 changed files with 4 additions and 2 deletions
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1
sound/mips/au1x00.c
View file

@ -516,6 +516,7 @@ get the interrupt driven case to work efficiently */
break;
if (i == 0x5000) {
printk(KERN_ERR "au1000 AC97: AC97 command read timeout\n");
spin_unlock(&au1000->ac97_lock);
return 0;
}

5
sound/oss/dmasound/dmasound_atari.c
View file

@ -1277,7 +1277,7 @@ static irqreturn_t AtaInterrupt(int irq, void *dummy)
* (almost) like on the TT.
*/
write_sq_ignore_int = 0;
return IRQ_HANDLED;
goto out;
}
if (!write_sq.active) {
@ -1285,7 +1285,7 @@ static irqreturn_t AtaInterrupt(int irq, void *dummy)
* the sq variables, so better don't do anything here.
*/
WAKE_UP(write_sq.sync_queue);
return IRQ_HANDLED;
goto out;
}
/* Probably ;) one frame is finished. Well, in fact it may be that a
@ -1322,6 +1322,7 @@ static irqreturn_t AtaInterrupt(int irq, void *dummy)
/* We are not playing after AtaPlay(), so there
is nothing to play any more. Wake up a process
waiting for audio output to drain. */
out:
spin_unlock(&dmasound.lock);
return IRQ_HANDLED;
}