[2.6 patch] sound/oss/sonicvibes.c: fix an array overflow
From: Adrian Bunk (bunk_at_stusta.de)
Date: 03/27/05
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Date: Sun, 27 Mar 2005 22:38:32 +0200 To: linux-kernel@vger.kernel.org
This patch fixes an array overflow found by the Coverity checker.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
--- linux-2.6.12-rc1-mm1-full/sound/oss/sonicvibes.c.old 2005-03-23 01:53:13.000000000 +0100
+++ linux-2.6.12-rc1-mm1-full/sound/oss/sonicvibes.c 2005-03-23 01:55:11.000000000 +0100
@@ -1146,13 +1146,13 @@ static int mixer_ioctl(struct sv_state *
for (i = 0; i < SOUND_MIXER_NRDEVICES; i++) {
if (!(val & (1 << i)))
continue;
if (mixtable[i].rec)
break;
}
- if (!mixtable[i].rec)
+ if (i == SOUND_MIXER_NRDEVICES)
return 0;
spin_lock_irqsave(&s->lock, flags);
frobindir(s, SV_CIMIX_ADCINL, 0x1f, mixtable[i].rec << 5);
frobindir(s, SV_CIMIX_ADCINR, 0x1f, mixtable[i].rec << 5);
spin_unlock_irqrestore(&s->lock, flags);
return 0;
-
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