Commit ea3bfd09 authored by YuanShang's avatar YuanShang Committed by Baogen Shang
Browse files

drm/amdgpu: correct chunk_ptr to a pointer to chunk. 

stable inclusion
from stable-v5.10.205
commit 13b1fa5407949fb7ada3d2362c5099e18b2a25c8
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I8AS5P
CVE: NA

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.205&id=13b1fa5407949fb7ada3d2362c5099e18b2a25c8



-------------------------

[ Upstream commit 50d51374b498457c4dea26779d32ccfed12ddaff ]

The variable "chunk_ptr" should be a pointer pointing
to a struct drm_amdgpu_cs_chunk instead of to a pointer
of that.

Signed-off-by: default avatarYuanShang <YuanShang.Mao@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
Signed-off-by: default avatarBaogen Shang <baogen.shang@windriver.com>
parent 4ab210f9

drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c

+1 −1
Original line number Diff line number Diff line
@@ -153,7 +153,7 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, union drm_amdgpu_cs 
	}



	for (i = 0; i < p->nchunks; i++) {

		struct drm_amdgpu_cs_chunk __user **chunk_ptr = NULL;

		struct drm_amdgpu_cs_chunk __user *chunk_ptr = NULL;

		struct drm_amdgpu_cs_chunk user_chunk;

		uint32_t __user *cdata;