From: Juergen Kreileder <jk@blackdown.de>
Date: Tue, 21 Feb 2006 02:28:00 +0000 (-0800)
Subject: [PATCH] Fix snd-usb-audio in 32-bit compat environment
X-Git-Tag: v2.6.16-rc5~93
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aa657ca9245a06fa435e00332a13da1fce182abc;p=pandora-kernel.git

[PATCH] Fix snd-usb-audio in 32-bit compat environment

I'm getting oopses with snd-usb-audio in 32-bit compat environments:
control_compat.c:get_ctl_type() doesn't initialize 'info', so
'itemlist[uinfo->value.enumerated.item]' in
usbmixer.c:mixer_ctl_selector_info() might access random memory (The 'if
((int)uinfo->value.enumerated.item >= cval->max)' doesn't fix all problems
because of the unsigned -> signed conversion.)

Signed-off-by: Juergen Kreileder <jk@blackdown.de>
Cc: Jaroslav Kysela <perex@suse.cz>
Acked-by: Takashi Iwai <tiwai@suse.de>
Cc: Greg KH <greg@kroah.com>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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