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

From: Gustavo A. R. Silva
Date: Thu Jan 18 2018 - 20:02:12 EST


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 <garsilva@xxxxxxxxxxxxxx>
---
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