1 files changed, 8 insertions, 10 deletions

diff --git a/sys/libkern/arc4random.c b/sys/libkern/arc4random.c
index 71616dc21d05..993f764f2d7b 100644
--- a/sys/libkern/arc4random.c
+++ b/sys/libkern/arc4random.c
@@ -46,11 +46,12 @@ arc4_randomstir (void)
 	u_int8_t key[256];
 	int r, n;
 
-	/* XXX read_random() returns unsafe numbers if the entropy
-	 * devce is not loaded - MarkM
+	/*
+	 * XXX read_random() returns unsafe numbers if the entropy
+	 * device is not loaded -- MarkM.
 	 */
 	r = read_random(key, ARC4_KEYBYTES);
-	/* if r == 0 || -1, just use what was on the stack */
+	/* If r == 0 || -1, just use what was on the stack. */
 	if (r > 0)
 	{
 		for (n = r; n < sizeof(key); n++)
@@ -84,11 +85,10 @@ arc4_init(void)
 	arc4_randomstir();
 	arc4_initialized = 1;
 
-	/* Now, throw away the first N words out output, as suggested
-	 * in the paper "Weaknesses in the Key Scheduling Algorithm
-	 * of RC4" by Fluher, Mantin, and Shamir.
-	 *
-	 * (N = 256 in our case.)
+	/*
+	 * Throw away the first N words of output, as suggested in the
+	 * paper "Weaknesses in the Key Scheduling Algorithm of RC4"
+	 * by Fluher, Mantin, and Shamir.  (N = 256 in our case.)
 	 */
 	for (n = 0; n < 256*4; n++)
 		arc4_randbyte();
@@ -121,9 +121,7 @@ arc4random(void)
 	if (!arc4_initialized)
 		arc4_init();
 
-	/* Get current time. */
 	getmicrotime(&tv_now);
-	
 	if ((++arc4_numruns > ARC4_MAXRUNS) || 
 	    (tv_now.tv_sec > arc4_tv_nextreseed.tv_sec))
 	{