| 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 |
| Message-ID: <b28811ef0711061446q3eb7330cm31a4c57a9ed00cc3@mail.gmail.com> |
| |
| From: Takashi Iwai <tiwai@suse.de> |
| |
| patch 2a3988f6d2c5be9d02463097775d1c66a8290527 in mainline. |
| |
| 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> |
| Cc: Maarten Bressers <mbressers@gmail.com> |
| Cc: gentoo kernel <kernel@gentoo.org> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de> |
| |
| --- |
| sound/pci/rme9652/hdsp.c | 3 +++ |
| 1 file changed, 3 insertions(+) |
| |
| --- a/sound/pci/rme9652/hdsp.c |
| +++ b/sound/pci/rme9652/hdsp.c |
| @@ -3108,6 +3108,9 @@ static int hdsp_dds_offset(struct 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 |
