platform/chrome: wilco_ec: fix use after free issue
authorWen Yang <wenyang@linux.alibaba.com>
Sat, 30 Nov 2019 13:08:42 +0000 (21:08 +0800)
committerEnric Balletbo i Serra <enric.balletbo@collabora.com>
Mon, 2 Dec 2019 11:14:42 +0000 (12:14 +0100)
commit856a0a6e2d09d31fd8f00cc1fc6645196a509d56
tree575abfd3e15af1a79f88cdb4f73b4ca9c4e5cc01
parent74c166b58895a7b536d6434235b23b51e64adf68
platform/chrome: wilco_ec: fix use after free issue

This is caused by dereferencing 'dev_data' after put_device() in
the telem_device_remove() function.
This patch just moves the put_device() down a bit to avoid this
issue.

Fixes: 1210d1e6bad1 ("platform/chrome: wilco_ec: Add telemetry char device interface")
Signed-off-by: Wen Yang <wenyang@linux.alibaba.com>
Cc: Benson Leung <bleung@chromium.org>
Cc: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc: Nick Crews <ncrews@chromium.org>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
drivers/platform/chrome/wilco_ec/telemetry.c