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(parent: 6c8f9d9) | patch
serial: max310x: Fix to avoid potential NULL pointer dereference
authorAditya Pakki <pakki001@umn.edu>
Mon, 18 Mar 2019 23:44:14 +0000 (18:44 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 3 Apr 2019 04:25:18 +0000 (06:25 +0200)
commit0d42abfacfcedc695964d655495c0dbb34e22647
treece82561aae02627d942d904407f73cccb2bfb8f7tree | snapshot (tar.gz zip)
parent6c8f9d93c2c7861c0caffe3c9b378c891c92ef39commit | diff
serial: max310x: Fix to avoid potential NULL pointer dereference

commit 3a10e3dd52e80b9a97a3346020024d17b2c272d6 upstream.

of_match_device can return a NULL pointer when matching device is not
found. This patch avoids a scenario causing NULL pointer derefernce.

Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/max310x.c diff | blob | blame | history