Replacing (n & (n-1)) in the context of power of 2 checks
with is_power_of_2
Signed-off-by: vignesh babu <vignesh.babu@xxxxxxxxx>
---
diff --git a/sound/core/rtctimer.c b/sound/core/rtctimer.c
index 9f7b32e..7cd5e8f 100644
--- a/sound/core/rtctimer.c
+++ b/sound/core/rtctimer.c
@@ -24,6 +24,7 @@
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/moduleparam.h>
+#include <linux/log2.h>
#include <sound/core.h>
#include <sound/timer.h>
@@ -129,7 +130,7 @@ static int __init rtctimer_init(void)
struct snd_timer *timer;
if (rtctimer_freq < 2 || rtctimer_freq > 8192 ||
- (rtctimer_freq & (rtctimer_freq - 1)) != 0) {
+ !is_power_of_2(rtctimer_freq)) {
snd_printk(KERN_ERR "rtctimer: invalid frequency %d\n",
rtctimer_freq);
return -EINVAL;
--
Regards,
Vignesh Babu BM
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