From: Aki Tuomi <aki.tuomi@dovecot.fi>
Date: Wed, 23 Aug 2017 10:42:09 +0000 (+0300)
Subject: lib: Simplify timing_add_usecs
X-Git-Tag: 2.3.0.rc1~1078
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=21f76ca1a50182b44f45aee8ae854f06a15264a0;p=thirdparty%2Fdovecot%2Fcore.git

lib: Simplify timing_add_usecs

i_rand is guaranteed to return 32 bit integer
---

diff --git a/src/lib/timing.c b/src/lib/timing.c
index 960db8492e..8b80ab2906 100644
--- a/src/lib/timing.c
+++ b/src/lib/timing.c
@@ -39,12 +39,7 @@ void timing_add_usecs(struct timing *timing, uint64_t usecs)
 		if (timing->count == 0)
 			timing->min = timing->max = usecs;
 	} else {
-		unsigned int count = timing->count;
-		unsigned int idx;
-		if (count > RAND_MAX >> 6)
-			idx = (i_rand()*((uint64_t)RAND_MAX+1) + i_rand()) % count;
-		else
-			idx = i_rand() % count;
+		unsigned int idx = i_rand() % timing->count;
 		if (idx < TIMING_SUBSAMPLING_BUFFER)
 			timing->samples[idx] = usecs;
 	}