Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
+3
-6
+3
-6
sound/pci/hda/hda_intel.c
+3
-6
sound/pci/hda/hda_intel.c
···
1893
1893
1894
1894
if (!bdl_pos_adj[chip->dev_index])
1895
1895
return 1; /* no delayed ack */
1896
-
if (azx_dev->period_bytes == 0) {
1897
-
printk(KERN_WARNING
1898
-
"hda-intel: Divide by zero was avoided "
1899
-
"in azx_dev->period_bytes.\n");
1900
-
return 0;
1901
-
}
1896
+
if (WARN_ONCE(!azx_dev->period_bytes,
1897
+
"hda-intel: zero azx_dev->period_bytes"))
1898
+
return 0; /* this shouldn't happen! */
1902
1899
if (pos % azx_dev->period_bytes > azx_dev->period_bytes / 2)
1903
1900
return 0; /* NG - it's below the period boundary */
1904
1901
return 1; /* OK, it's fine */