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(parent: ba0bc9b) | patch
tee: amdtee: fix an IS_ERR() vs NULL bug
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 24 Nov 2021 14:54:04 +0000 (17:54 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 22 Dec 2021 08:32:38 +0000 (09:32 +0100)
commitd73a028274806a93dd91992a8a6b1a804905ce65
tree24302057e3e34917bb73bb07d48ff113f73fb71etree | snapshot
parentba0bc9bda2813bfe4f75a95e4dc5715f3b1fef7acommit | diff
tee: amdtee: fix an IS_ERR() vs NULL bug

[ Upstream commit 7fdd9eb5c1ac8d46c56f1da25a140272de98adb0 ]

The __get_free_pages() function does not return error pointers it returns
NULL so fix this condition to avoid a NULL dereference.

Fixes: a1be16c860f4 ("tee: add AMD-TEE driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Rijo Thomas <Rijo-john.Thomas@amd.com>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/tee/amdtee/core.c diff | blob | history
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