linux-kernel - [PATCH] ALSA: ali5451: remove irq enabling in pointer callback

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Message-Id: <1360597788-25614-1-git-send-email-yefremov.denis@gmail.com>
Date:	Mon, 11 Feb 2013 19:49:48 +0400
From:	Denis Efremov <yefremov.denis@...il.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Denis Efremov <yefremov.denis@...il.com>,
	Bill Pemberton <wfp5p@...ginia.edu>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] ALSA: ali5451: remove irq enabling in pointer callback

snd_ali_pointer function is called with local
interrupts disabled. However it seems very strange to
reenable them in such way.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Denis Efremov <yefremov.denis@...il.com>
---
 sound/pci/ali5451/ali5451.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index 136a393..e760af9 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -1435,7 +1435,7 @@ static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
 
 	spin_lock(&codec->reg_lock);
 	if (!pvoice->running) {
-		spin_unlock_irq(&codec->reg_lock);
+		spin_unlock(&codec->reg_lock);
 		return 0;
 	}
 	outb(pvoice->number, ALI_REG(codec, ALI_GC_CIR));
-- 
1.8.1.2

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