CVE ID:	CVE-2021-47601
Description:	In the Linux kernel, the following vulnerability has been resolved: tee: amdtee: fix an IS_ERR() vs NULL bug The __get_free_pages() function does not return error pointers it returns NULL so fix this condition to avoid a NULL dereference.
Test IDs:	None available
Cross References:	Common Vulnerability Exposure (CVE) ID: CVE-2021-47601 https://git.kernel.org/stable/c/640e28d618e82be78fb43b4bf5113bc90d6aa442 https://git.kernel.org/stable/c/640e28d618e82be78fb43b4bf5113bc90d6aa442 https://git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1 https://git.kernel.org/stable/c/832f3655c6138c23576ed268e31cc76e0f05f2b1 https://git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6 https://git.kernel.org/stable/c/9d7482771fac8d8e38e763263f2ca0ca12dd22c6