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cx24116: fix a buffer overflow when checking userspace params
authorMauro Carvalho Chehab <mchehab@osg.samsung.com>
Tue, 28 Apr 2015 21:51:17 +0000 (18:51 -0300)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 12 Aug 2015 14:33:11 +0000 (16:33 +0200)
commit 1fa2337a315a2448c5434f41e00d56b01a22283c upstream.

The maximum size for a DiSEqC command is 6, according to the
userspace API. However, the code allows to write up much more values:
drivers/media/dvb-frontends/cx24116.c:983 cx24116_send_diseqc_msg() error: buffer overflow 'd->msg' 6 <= 23

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
[bwh: Backported to 3.2: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/media/dvb/frontends/cx24116.c patch | blob | history

diff --cc drivers/media/dvb/frontends/cx24116.c
Simple merge
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