[PATCH] drm/amdkfd: Use ARRAY_SIZE macro in kfd_build_sysfs_node_entry

[Gustavo A. R. Silva]

Use ARRAY_SIZE instead of dividing sizeof array with sizeof an element.

This issue was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <garsi...@embeddedor.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index c6a7609..7783250 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -677,7 +677,7 @@ static int kfd_build_sysfs_node_entry(struct 
kfd_topology_device *dev,
        }
 
        /* All hardware blocks have the same number of attributes. */
-       num_attrs = sizeof(perf_attr_iommu)/sizeof(struct kfd_perf_attr);
+       num_attrs = ARRAY_SIZE(perf_attr_iommu);
        list_for_each_entry(perf, &dev->perf_props, list) {
                perf->attr_group = kzalloc(sizeof(struct kfd_perf_attr)
                        * num_attrs + sizeof(struct attribute_group),
-- 
2.7.4