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Dan Carpenter 2490cdf643 tee: shm: Potential NULL dereference calling tee_shm_register() 
get_user_pages_fast() can return zero in certain error paths.  We should
handle that or else it means we accidentally return ERR_PTR(0) which is
NULL instead of an error pointer.  The callers are not expecting that
and will crash with a NULL dereference.

Fixes: 033ddf12bc ("tee: add register user memory")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
2018-01-09 14:34:00 +01:00
..
optee tee: optee: check type of registered shared memory 2017-12-28 13:21:27 +01:00
Kconfig
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tee_core.c tee: use reference counting for tee_context 2017-12-15 13:36:18 +01:00
tee_private.h tee: use reference counting for tee_context 2017-12-15 13:36:18 +01:00
tee_shm.c tee: shm: Potential NULL dereference calling tee_shm_register() 2018-01-09 14:34:00 +01:00
tee_shm_pool.c tee: flexible shared memory pool creation 2017-12-15 12:37:29 +01:00