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authorClemens Ladisch <clemens@ladisch.de>2009-12-18 09:27:24 +0100
committerTakashi Iwai <tiwai@suse.de>2009-12-18 12:53:17 +0100
commit3e85fd614c7b6bb7f33bb04a0dcb5a3bfca4c0fe (patch)
treef3557d913f1f3e8ee29ebef960bc9b4a7222fa53 /sound/arm
parent2fbe74b90bafebce615466b4c20f96b0465df1ae (diff)
downloadlinux-3e85fd614c7b6bb7f33bb04a0dcb5a3bfca4c0fe.tar.bz2
sound: sgio2audio/pdaudiocf/usb-audio: initialize PCM buffer
When allocating the PCM buffer, use vmalloc_user() instead of vmalloc(). Otherwise, it would be possible for applications to play the previous contents of the kernel memory to the speakers, or to read it directly if the buffer is exported to userspace. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Cc: <stable@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/arm')
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