Re: [PATCH] drm/amdgpu: fix compare_const_fl.cocci warnings

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Am 15.04.2016 um 09:15 schrieb Julia Lawall:
Move constants to the right of binary operators.

Generated by: scripts/coccinelle/misc/compare_const_fl.cocci

Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
Signed-off-by: Julia Lawall <julia.lawall@xxxxxxx>

In general the patch looks ok, but do we have a documented preference where to place constants in the coding style docs?

While it's not so much of a problem any more with modern compilers, some people still prefer to have it on the left side to catch accidental value assignments.

Regards,
Christian.

---

Could be nice to put the thing being tested first.

  amdgpu_grph_object_id_helpers.c |    4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_grph_object_id_helpers.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_grph_object_id_helpers.c
@@ -169,11 +169,11 @@ struct graphics_object_id amdgpu_object_
  	struct graphics_object_id go_id = { 0 };
type = object_type_from_bios_object_id(bios_object_id);
-	if (OBJECT_TYPE_UNKNOWN == type)
+	if (type == OBJECT_TYPE_UNKNOWN)
  		return go_id;
enum_id = enum_id_from_bios_object_id(bios_object_id);
-	if (ENUM_ID_UNKNOWN == enum_id)
+	if (enum_id == ENUM_ID_UNKNOWN)
  		return go_id;
go_id = display_graphics_object_id_init(

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