Use ARRAY_SIZE to get array length. Signed-off-by: yipechai <YiPeng.Chai@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index 23f4290b2fde..394a18e3c6af 100644 --- 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)]) -- 2.25.1