Commit 0e9695d9 authored by Linus Torvalds's avatar Linus Torvalds

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-intel: Avoid divide by zero crash
parents 280c96b1 fed08d03
...@@ -1893,6 +1893,12 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev) ...@@ -1893,6 +1893,12 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev)
if (!bdl_pos_adj[chip->dev_index]) if (!bdl_pos_adj[chip->dev_index])
return 1; /* no delayed ack */ return 1; /* no delayed ack */
if (azx_dev->period_bytes == 0) {
printk(KERN_WARNING
"hda-intel: Divide by zero was avoided "
"in azx_dev->period_bytes.\n");
return 0;
}
if (pos % azx_dev->period_bytes > azx_dev->period_bytes / 2) if (pos % azx_dev->period_bytes > azx_dev->period_bytes / 2)
return 0; /* NG - it's below the period boundary */ return 0; /* NG - it's below the period boundary */
return 1; /* OK, it's fine */ return 1; /* OK, it's fine */
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment