From 2a3988f6d2c5be9d02463097775d1c66a8290527 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 16 Oct 2007 14:26:32 +0200
Subject: [ALSA] hdsp - Fix zero division

Fix zero-division bug in the calculation dds offset.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
---
 sound/pci/rme9652/hdsp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c
index 2411f0b396b4..ff26a3672d40 100644
--- a/sound/pci/rme9652/hdsp.c
+++ b/sound/pci/rme9652/hdsp.c
@@ -3059,6 +3059,9 @@ static int hdsp_dds_offset(struct hdsp *hdsp)
 	unsigned int dds_value = hdsp->dds_value;
 	int system_sample_rate = hdsp->system_sample_rate;
 
+	if (!dds_value)
+		return 0;
+
 	n = DDS_NUMERATOR;
 	/*
 	 * dds_value = n / rate
-- 
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