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(parent: 1f5a512) | patch
Input: hanwang - validate number of endpoints before using them
authorJohan Hovold <johan@kernel.org>
Thu, 16 Mar 2017 18:39:29 +0000 (11:39 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 30 Mar 2017 07:41:23 +0000 (09:41 +0200)
commitd9a3e6424e6147d6e9ae16c845e596516ddf807a
tree154b018636a56bdd605d81470ce7acb872dbcc9atree | snapshot
parent1f5a512844a85690df614db3a6d8dbb54e662391commit | diff
Input: hanwang - validate number of endpoints before using them

commit ba340d7b83703768ce566f53f857543359aa1b98 upstream.

Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer should a malicious device lack endpoints.

Fixes: bba5394ad3bd ("Input: add support for Hanwang tablets")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/input/tablet/hanwang.c diff | blob | history