From 1efddcc981c95e62c4e305fd462e3e98b6f9c5cd Mon Sep 17 00:00:00 2001 From: Julia Lawall Date: Wed, 26 May 2010 17:59:27 +0200 Subject: [PATCH] sound: Add missing spin_unlock Add a spin_unlock missing on the error path. The semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // @@ expression E1; @@ * spin_lock(E1,...); <+... when != E1 if (...) { ... when != E1 * return ...; } ...+> * spin_unlock(E1,...); // Signed-off-by: Julia Lawall Signed-off-by: Takashi Iwai --- sound/mips/au1x00.c | 1 + sound/oss/dmasound/dmasound_atari.c | 5 +++-- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/sound/mips/au1x00.c b/sound/mips/au1x00.c index 3e763d6a5d67..446cf9748664 100644 --- a/sound/mips/au1x00.c +++ b/sound/mips/au1x00.c @@ -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; } diff --git a/sound/oss/dmasound/dmasound_atari.c b/sound/oss/dmasound/dmasound_atari.c index 1f4774123064..13c214466d3b 100644 --- a/sound/oss/dmasound/dmasound_atari.c +++ b/sound/oss/dmasound/dmasound_atari.c @@ -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; } -- 2.20.1