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media: digitv: don't continue if remote control state can't be read
authorSean Young <sean@mess.org>
Sun, 10 Nov 2019 10:04:40 +0000 (11:04 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 5 Feb 2020 13:03:39 +0000 (13:03 +0000)
commit299ec5f621f9668b7a84fbe7e16b9176af22212d
treeeb01c09fc7c8f3cdb81ab2b6d8e4548ecd86eab9
parent37f739275ff4160df79029087fe1e0452f56899d
media: digitv: don't continue if remote control state can't be read

commit eecc70d22ae51225de1ef629c1159f7116476b2e upstream.

This results in an uninitialized variable read.

Reported-by: syzbot+6bf9606ee955b646c0e1@syzkaller.appspotmail.com
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/media/usb/dvb-usb/digitv.c