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(parent: 5afad96) | 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)
committerBen Hutchings <ben@decadent.org.uk>
Tue, 18 Jul 2017 17:38:34 +0000 (18:38 +0100)
commit5a2a5e6c28b145bc90652899c0b9f34404caee75
tree40c0271fe7d9e1444c23a2d92227148c3449ca75tree | snapshot
parent5afad9651d8807c583e442eb52b7a6ac31f72e34commit | 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: Ben Hutchings <ben@decadent.org.uk>
drivers/input/tablet/hanwang.c diff | blob | history
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