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(parent: 6bed7c1) | 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 07:35:15 +0000 (09:35 +0200)
commit0812c6855c89d905e34e88166570cae4a401b23a
tree4d8eb23a5f625029ef48ae4e58a13c2e1723a910tree | snapshot (tar.gz zip)
parent6bed7c1e2b78e58adab2e8448f3e6799857b5726commit | 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 | blame | history