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tty: ipwireless: Fix potential NULL pointer dereference
authorYueHaibing <yuehaibing@huawei.com>
Wed, 30 Jan 2019 10:30:51 +0000 (18:30 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 29 Jan 2020 09:24:13 +0000 (10:24 +0100)
commit33e2aa316ddc1ccd4d77cfdddfd05f4b84374a80
tree320356bd158ca7a367949ca673a1fb3d0187aa44tree | snapshot (tar.gz zip)
parente6f4125d712fd8bb0039e90d6fa9ba33f73aa7e8commit | diff
tty: ipwireless: Fix potential NULL pointer dereference

[ Upstream commit 7dd50e205b3348dc7784efbdf85723551de64a25 ]

There is a potential NULL pointer dereference in case
alloc_ctrl_packet() fails and returns NULL.

Fixes: 099dc4fb6265 ("ipwireless: driver for PC Card 3G/UMTS modem")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/tty/ipwireless/hardware.c diff | blob | blame | history