ALSA: ali5451: Fix out-of-bound position reporting

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commit db68577966 upstream.

The pointer callbacks of ali5451 driver may return the value at the
boundary occasionally, and it results in the kernel warning like
  snd_ali5451 0000:00:06.0: BUG: , pos = 16384, buffer size = 16384, period size = 1024

It seems that folding the position offset is enough for fixing the
warning and no ill-effect has been seen by that.

Reported-by: Enrico Mioso <mrkiko.rs@gmail.com>
Tested-by: Enrico Mioso <mrkiko.rs@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

...

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Takashi Iwai 2016-09-21 14:38:02 +02:00 • committed by Ben Hutchings

parent 70e794f945

commit 497063a28f

1 changed files with 2 additions and 0 deletions

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sound/pci/ali5451/ali5451.c

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