av7110: check for negative array offset
commitdd6a19a57d7247ed62e6445f489dad501b64af03
authorDan Carpenter <error27@gmail.com>
Fri, 7 Jan 2011 19:41:54 +0000 (7 16:41 -0300)
committerGreg Kroah-Hartman <gregkh@suse.de>
Wed, 2 Mar 2011 14:46:37 +0000 (2 09:46 -0500)
tree90285d6e89a7da1bac96cd8a5ef320ec18a6d17e
parent595b62a8acfb289a5d2fcc70464ba0995b55fdd7
av7110: check for negative array offset

commit cb26a24ee9706473f31d34cc259f4dcf45cd0644 upstream.

info->num comes from the user.  It's type int.  If the user passes
in a negative value that would cause memory corruption.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/media/dvb/ttpci/av7110_ca.c