linux-kernel - [PATCH] sound: fix check for return value in snd_pcm_hw

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Date:	Sun, 21 Jun 2009 20:26:59 +0200
From:	Mariusz Kozlowski <m.kozlowski@...land.pl>
To:	Jaroslav Kysela <perex@...ex.cz>
Cc:	Takashi Iwai <tiwai@...e.de>, linux-kernel@...r.kernel.org
Subject: [PATCH] sound: fix check for return value in snd_pcm_hw_refine

Hello,

'params' is a pointer and looking at the code this probably should be a check
for ioctl return value.

	Mariusz


Signed-off-by: Mariusz Kozlowski <m.kozlowski@...land.pl>

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 84da3ba..ac2150e 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -320,7 +320,7 @@ int snd_pcm_hw_refine(struct snd_pcm_substream *substream,
                     snd_mask_max(&params->masks[SNDRV_PCM_HW_PARAM_CHANNELS])) {
 			changed = substream->ops->ioctl(substream,
 					SNDRV_PCM_IOCTL1_FIFO_SIZE, params);
-			if (params < 0)
+			if (changed < 0)
 				return changed;
 		}
 	}
--
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