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authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-12 13:12:28 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-12 13:12:28 -0500
commite99cc290cae141853bcd901e4c7038fe686cc46d (patch)
treea1562c313f8459790ff7141be707656e1498fe84 /sound
parent26b23ace8b54d836763bad3495fe8ed1a9d4354d (diff)
parentd6d8bf549393484e906913f02fa3c9518a2819b6 (diff)
Merge branch 'fix/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'fix/hda' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: hda - use WARN_ON_ONCE() for zero-division detection
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/hda_intel.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index e767c3f395ab..3600e9cc9bc6 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -1893,12 +1893,9 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
1893 1893
1894 if (!bdl_pos_adj[chip->dev_index]) 1894 if (!bdl_pos_adj[chip->dev_index])
1895 return 1; /* no delayed ack */ 1895 return 1; /* no delayed ack */
1896 if (azx_dev->period_bytes == 0) { 1896 if (WARN_ONCE(!azx_dev->period_bytes,
1897 printk(KERN_WARNING 1897 "hda-intel: zero azx_dev->period_bytes"))
1898 "hda-intel: Divide by zero was avoided " 1898 return 0; /* this shouldn't happen! */
1899 "in azx_dev->period_bytes.\n");
1900 return 0;
1901 }
1902 if (pos % azx_dev->period_bytes > azx_dev->period_bytes / 2) 1899 if (pos % azx_dev->period_bytes > azx_dev->period_bytes / 2)
1903 return 0; /* NG - it's below the period boundary */ 1900 return 0; /* NG - it's below the period boundary */
1904 return 1; /* OK, it's fine */ 1901 return 1; /* OK, it's fine */