From: Roel Kluin <roel.kluin@gmail.com>
Date: Sun, 27 Dec 2009 21:26:47 +0000 (+0100)
Subject: ALSA: test off by one in setsamplerate()
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=9980c6209ebc2a02eb3ca51a4fae1e17f645c868;p=deliverable%2Flinux.git

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@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/pci/riptide/riptide.c b/sound/pci/riptide/riptide.c
index b5ca02e2038c..e66ef2b69b5d 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;