diff options
Diffstat (limited to 'meta-xilinx-core/recipes-graphics/mali/kernel-module-mali/0016-mali_memory_secure-Kernel-5.0-onwards-access_ok-API-.patch')
| -rw-r--r-- | meta-xilinx-core/recipes-graphics/mali/kernel-module-mali/0016-mali_memory_secure-Kernel-5.0-onwards-access_ok-API-.patch | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/meta-xilinx-core/recipes-graphics/mali/kernel-module-mali/0016-mali_memory_secure-Kernel-5.0-onwards-access_ok-API-.patch b/meta-xilinx-core/recipes-graphics/mali/kernel-module-mali/0016-mali_memory_secure-Kernel-5.0-onwards-access_ok-API-.patch new file mode 100644 index 00000000..dc8bbebf --- /dev/null +++ b/meta-xilinx-core/recipes-graphics/mali/kernel-module-mali/0016-mali_memory_secure-Kernel-5.0-onwards-access_ok-API-.patch @@ -0,0 +1,47 @@ +From 8cf1dd43f3f25cb4afb84dfc3b0e7c02bc8f7f0c Mon Sep 17 00:00:00 2001 +From: Madhurkiran Harikrishnan <madhurkiran.harikrishnan@xilinx.com> +Date: Mon, 24 Feb 2020 18:19:37 -0800 +Subject: [LINUX][rel-v2020.1][PATCH v1 1/3] mali_memory_secure: Kernel 5.0 + onwards 'access_ok' API does not take 'type' as input parameter + +'access_ok' no longer needs 'type' as input paramter from kernel 5.0 +onwards. + +Signed-off-by: Madhurkiran Harikrishnan <madhurkiran.harikrishnan@xilinx.com> +--- + driver/src/devicedrv/mali/linux/mali_ukk_mem.c | 9 +++++++++ + 1 file changed, 9 insertions(+) + +diff --git a/driver/src/devicedrv/mali/linux/mali_ukk_mem.c b/driver/src/devicedrv/mali/linux/mali_ukk_mem.c +index 4ec57dc..270bb6d 100644 +--- linux/mali_ukk_mem.c ++++ b/linux/mali_ukk_mem.c +@@ -207,8 +207,13 @@ int mem_write_safe_wrapper(struct mali_session_data *session_data, _mali_uk_mem_ + kargs.ctx = (uintptr_t)session_data; + + /* Check if we can access the buffers */ ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 0, 0) ++ if (!access_ok((const void __user *)kargs.dest, kargs.size) ++ || !access_ok((const void __user *)kargs.src, kargs.size)) { ++#else + if (!access_ok(VERIFY_WRITE, kargs.dest, kargs.size) + || !access_ok(VERIFY_READ, kargs.src, kargs.size)) { ++#endif + return -EINVAL; + } + +@@ -266,7 +271,11 @@ int mem_dump_mmu_page_table_wrapper(struct mali_session_data *session_data, _mal + goto err_exit; + + user_buffer = (void __user *)(uintptr_t)kargs.buffer; ++#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 0, 0) ++ if (!access_ok(user_buffer, kargs.size)) ++#else + if (!access_ok(VERIFY_WRITE, user_buffer, kargs.size)) ++#endif + goto err_exit; + + /* allocate temporary buffer (kernel side) to store mmu page table info */ +-- +2.7.4 + |