drm/amdgpu: Use ARRAY_SIZE to get array length

Use ARRAY_SIZE to get array length.

Signed-off-by: yipechai <YiPeng.Chai@amd.com>
Reviewed-by: Tao Zhou <tao.zhou1@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
index d37b09b2d33a18d6bfc3ab29a506293dc04085fa..9864f730b958f42340a122a0f9bd0724d118c13e 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c
@@ -89,7 +89,8 @@ const char *get_ras_block_str(struct ras_common_if *ras_block)
        return ras_block_string[ras_block->block];
 }
 
-#define ras_block_str(_BLOCK_)  (((_BLOCK_) < (sizeof(*ras_block_string)/sizeof(const char*))) ? ras_block_string[_BLOCK_] : "Out Of Range")
+#define ras_block_str(_BLOCK_) \
+       (((_BLOCK_) < ARRAY_SIZE(ras_block_string)) ? ras_block_string[_BLOCK_] : "Out Of Range")
 
 #define ras_err_str(i) (ras_error_string[ffs(i)])