net/wireless: use ARRAY_SIZE macro in radiotap.c

Replace sizeof(rtap_namespace_sizes) / sizeof(rtap_namespace_sizes[0])
with ARRAY_SIZE(rtap_namespace_sizes) in net/wireless/radiotap.c

Signed-off-by: Nikitas Angelinas <nikitasangelinas@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/wireless/radiotap.c b/net/wireless/radiotap.c
index 1332c445d1c78a6f41ba2e6aba13eaf8cade675f..c774bc0f155ecb381ae3069f486f661ee31aac1c 100644 (file)
--- a/net/wireless/radiotap.c
+++ b/net/wireless/radiotap.c
@@ -14,6 +14,7 @@
  * See COPYING for more details.
  */
 
+#include <linux/kernel.h>
 #include <net/cfg80211.h>
 #include <net/ieee80211_radiotap.h>
 #include <asm/unaligned.h>
@@ -45,7 +46,7 @@ static const struct radiotap_align_size rtap_namespace_sizes[] = {
 };
 
 static const struct ieee80211_radiotap_namespace radiotap_ns = {
-       .n_bits = sizeof(rtap_namespace_sizes) / sizeof(rtap_namespace_sizes[0]),
+       .n_bits = ARRAY_SIZE(rtap_namespace_sizes),
        .align_size = rtap_namespace_sizes,
 };