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[PATCH 3/10] drm/i915/gvt: Use ARRAY_SIZE macro

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  [PATCH 3/10] drm/i915/gvt: Use ARRAY_SIZE macro Thomas Meyer <thomas@m3y3r.de> - 2017-09-03 14:40 +0200

#1725650 — [PATCH 3/10] drm/i915/gvt: Use ARRAY_SIZE macro

Use ARRAY_SIZE macro, rather than explicitly coding some variant of it
yourself.
Found with: find -type f -name "*.c" -o -name "*.h" | xargs perl -p -i -e
's/\bsizeof\s*\(\s*(\w+)\s*\)\s*\ /\s*sizeof\s*\(\s*\1\s*\[\s*0\s*\]\s*\)
/ARRAY_SIZE(\1)/g' and manual check/verification.

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
---

diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c
index 3deadcbd5a24..7d8035093a1e 100644
--- a/drivers/gpu/drm/i915/gvt/vgpu.c
+++ b/drivers/gpu/drm/i915/gvt/vgpu.c
@@ -30,6 +30,7 @@
  *    Bing Niu <bing.niu@intel.com>
  *
  */
+#include <linux/kernel.h>
 
 #include "i915_drv.h"
 #include "gvt.h"
@@ -115,7 +116,7 @@ int intel_gvt_init_vgpu_types(struct intel_gvt *gvt)
 	 */
 	low_avail = gvt_aperture_sz(gvt) - HOST_LOW_GM_SIZE;
 	high_avail = gvt_hidden_sz(gvt) - HOST_HIGH_GM_SIZE;
-	num_types = sizeof(vgpu_types) / sizeof(vgpu_types[0]);
+	num_types = ARRAY_SIZE(vgpu_types);
 
 	gvt->types = kzalloc(num_types * sizeof(struct intel_vgpu_type),
 			     GFP_KERNEL);

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