---

yaml --- r: 83526 b: refs/heads/master c: 9974b6e h: refs/heads/master v: v3
git-mirror · Feb 6, 2008 · 318a9fc · 318a9fc
1 parent 3d33568
commit 318a9fc
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Showing 2 changed files with 3 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 037e291cc77a4beb0379a8c74e3d82e49a476b84
+refs/heads/master: 9974b6ea7b85a32f34f824443f47aa501c85ee8f
diff --git a/trunk/drivers/rtc/rtc-s3c.c b/trunk/drivers/rtc/rtc-s3c.c
@@ -20,6 +20,7 @@
 #include <linux/rtc.h>
 #include <linux/bcd.h>
 #include <linux/clk.h>
+#include <linux/log2.h>
 
 #include <asm/hardware.h>
 #include <asm/uaccess.h>
@@ -309,9 +310,7 @@ static int s3c_rtc_ioctl(struct device *dev,
 		break;
 
 	case RTC_IRQP_SET:
-		/* check for power of 2 */
-
-		if ((arg & (arg-1)) != 0 || arg < 1) {
+		if (!is_power_of_2(arg)) {
 			ret = -EINVAL;
 			goto exit;
 		}