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(parent: a090ed1) | 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 04:26:25 +0000 (06:26 +0200)
commitf34ec64b3f6cc2ae83da6901430be0204297f2d4
tree3c2a1f482dbfcf221c1dcaf0b45433da5140f3fbtree | snapshot
parenta090ed15420abf719ba077e9f60defbb1f636831commit | 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 | history
Domain: System / Kernel;