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ALSA: emu10k1: Avoid access to invalid pages when period=1
authorTakashi Iwai <tiwai@suse.de>
Fri, 3 Aug 2012 10:51:21 +0000 (12:51 +0200)
committerTakashi Iwai <tiwai@suse.de>
Fri, 3 Aug 2012 10:51:21 +0000 (12:51 +0200)
commitfcfb7866af9a5d0280b7e51dd772990c636b7dec
tree48f69f0f63ad101d7b1835363786f91156d52c47tree | snapshot
parentc810f9039f040681ec9d9f2983b748c193037297commit | diff
ALSA: emu10k1: Avoid access to invalid pages when period=1

When period=1, the driver tries to allocate a bit bigger buffer than
requested by the user due to the irq latency tolerance.  This may lead
to accesses over the actually allocated pages.

This patch adds a check of the page index and assigns the silent page
when it's over the given buffer size.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/emu10k1/memory.c diff | blob | history
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