diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3879-drm-amdgpu-avoid-null-pointer-dereference.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3879-drm-amdgpu-avoid-null-pointer-dereference.patch | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3879-drm-amdgpu-avoid-null-pointer-dereference.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3879-drm-amdgpu-avoid-null-pointer-dereference.patch new file mode 100644 index 00000000..e73baf74 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.19.8/3879-drm-amdgpu-avoid-null-pointer-dereference.patch @@ -0,0 +1,37 @@ +From 6c627cce3729c676e557d56d14ab17386c916f87 Mon Sep 17 00:00:00 2001 +From: Guchun Chen <guchun.chen@amd.com> +Date: Tue, 17 Sep 2019 17:49:29 +0800 +Subject: [PATCH 3879/4256] drm/amdgpu: avoid null pointer dereference + +null ptr should be checked first to avoid null ptr access + +Signed-off-by: Guchun Chen <guchun.chen@amd.com> +Reviewed-by: Tao Zhou <tao.zhou1@amd.com> +Signed-off-by: Alex Deucher <alexander.deucher@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +index 01356a449160..f5aea49f2ab3 100644 +--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c ++++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +@@ -1409,13 +1409,13 @@ static int amdgpu_ras_save_bad_pages(struct amdgpu_device *adev) + { + struct amdgpu_ras *con = amdgpu_ras_get_context(adev); + struct ras_err_handler_data *data; +- struct amdgpu_ras_eeprom_control *control = +- &adev->psp.ras.ras->eeprom_control; ++ struct amdgpu_ras_eeprom_control *control; + int save_count; + + if (!con || !con->eh_data) + return 0; + ++ control = &con->eeprom_control; + data = con->eh_data; + save_count = data->count - control->num_recs; + /* only new entries are saved */ +-- +2.17.1 + |