linux-kernel - [PATCH] ALSA: sound, core, pcm_lib: fix xrun

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Date:	Wed, 18 May 2011 23:52:38 -0400
From:	Ben Gardiner <bengardiner@...ometrics.ca>
To:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Takashi Iwai <tiwai@...e.de>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org
Subject: [PATCH] ALSA: sound, core, pcm_lib: fix xrun_log

The xrun_log function was augmented with the in_interrupt parameter whereas the
empty macro definition used when xrun logging is disabled was not.

Add a third parameter to the empty macro definition so as to not cause compiler
errors when xrun logging (CONFIG_SND_PCM_XRUN_DEBUG) is disabled.

Signed-off-by: Ben Gardiner <bengardiner@...ometrics.ca>

---
This fixes the build error caused by ec08b14483de ("ALSA: sound, core, pcm_lib:
xrun_log: log also in_interrupt") -- which was my patch. Sorry for the breakage.

---
 sound/core/pcm_lib.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index c8c8091..abfeff16 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -266,7 +266,7 @@ static void xrun_log_show(struct snd_pcm_substream *substream)
 #else /* ! CONFIG_SND_PCM_XRUN_DEBUG */
 
 #define hw_ptr_error(substream, fmt, args...) do { } while (0)
-#define xrun_log(substream, pos)	do { } while (0)
+#define xrun_log(substream, pos, in_interrupt)	do { } while (0)
 #define xrun_log_show(substream)	do { } while (0)
 
 #endif
-- 
1.7.4.1

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