treewide: Replace kmalloc with kmalloc_obj for non-scalar types

This is the result of running the Coccinelle script from
scripts/coccinelle/api/kmalloc_objs.cocci. The script is designed to
avoid scalar types (which need careful case-by-case checking), and
instead replace kmalloc-family calls that allocate struct or union
object instances:

Single allocations:	kmalloc(sizeof(TYPE), ...)
are replaced with:	kmalloc_obj(TYPE, ...)

Array allocations:	kmalloc_array(COUNT, sizeof(TYPE), ...)
are replaced with:	kmalloc_objs(TYPE, COUNT, ...)

Flex array allocations:	kmalloc(struct_size(PTR, FAM, COUNT), ...)
are replaced with:	kmalloc_flex(*PTR, FAM, COUNT, ...)

(where TYPE may also be *VAR)

The resulting allocations no longer return "void *", instead returning
"TYPE *".

Signed-off-by: Kees Cook <kees@kernel.org>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
index 5c344665b43c..1eb2e89fcdeb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ctx.c
@@ -212,8 +212,7 @@ static int amdgpu_ctx_init_entity(struct amdgpu_ctx *ctx, u32 hw_ip,
 	int32_t ctx_prio;
 	int r;
 
-	entity = kzalloc(struct_size(entity, fences, amdgpu_sched_jobs),
-			 GFP_KERNEL);
+	entity = kzalloc_flex(*entity, fences, amdgpu_sched_jobs, GFP_KERNEL);
 	if (!entity)
 		return  -ENOMEM;
 
@@ -483,7 +482,7 @@ static int amdgpu_ctx_alloc(struct amdgpu_device *adev,
 	struct amdgpu_ctx *ctx;
 	int r;
 
-	ctx = kmalloc(sizeof(*ctx), GFP_KERNEL);
+	ctx = kmalloc_obj(*ctx, GFP_KERNEL);
 	if (!ctx)
 		return -ENOMEM;