drm/i915/pmu: Use kcalloc instead of kzalloc

kcalloc is preffered for allocating arrays.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180112170340.5387-2-tvrtko.ursulin@linux.intel.com

diff --git a/drivers/gpu/drm/i915/i915_pmu.c b/drivers/gpu/drm/i915/i915_pmu.c
index 9be4f52..065a28c 100644 (file)
--- a/drivers/gpu/drm/i915/i915_pmu.c
+++ b/drivers/gpu/drm/i915/i915_pmu.c
@@ -785,16 +785,16 @@ create_event_attributes(struct drm_i915_private *i915)
        }
 
        /* Allocate attribute objects and table. */
-       i915_attr = kzalloc(count * sizeof(*i915_attr), GFP_KERNEL);
+       i915_attr = kcalloc(count, sizeof(*i915_attr), GFP_KERNEL);
        if (!i915_attr)
                goto err_alloc;
 
-       pmu_attr = kzalloc(count * sizeof(*pmu_attr), GFP_KERNEL);
+       pmu_attr = kcalloc(count, sizeof(*pmu_attr), GFP_KERNEL);
        if (!pmu_attr)
                goto err_alloc;
 
        /* Max one pointer of each attribute type plus a termination entry. */
-       attr = kzalloc((count * 2 + 1) * sizeof(*attr), GFP_KERNEL);
+       attr = kcalloc(count * 2 + 1, sizeof(*attr), GFP_KERNEL);
        if (!attr)
                goto err_alloc;