linux-kernel - [PATCH] ALSA: test off by one in setsamplerate()

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Date:	Sun, 27 Dec 2009 22:26:47 +0100
From:	Roel Kluin <roel.kluin@...il.com>
To:	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	alsa-devel@...a-project.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] ALSA: test off by one in setsamplerate()

With `while (i++ < MAX_WRITE_RETRY)' i reaches MAX_WRITE_RETRY + 1 after the loop

Signed-off-by: Roel Kluin <roel.kluin@...il.com>
---
 sound/pci/riptide/riptide.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c
index b5ca02e..e66ef2b 100644
--- a/sound/pci/riptide/riptide.c
+++ b/sound/pci/riptide/riptide.c
@@ -1058,7 +1058,7 @@ setsamplerate(struct cmdif *cif, unsigned char *intdec, unsigned int rate)
 				 rptr.retwords[2] != M &&
 				 rptr.retwords[3] != N &&
 				 i++ < MAX_WRITE_RETRY);
-			if (i == MAX_WRITE_RETRY) {
+			if (i > MAX_WRITE_RETRY) {
 				snd_printdd("sent samplerate %d: %d failed\n",
 					    *intdec, rate);
 				return -EIO;
--
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