From bc8bcfc71a77c1e7f591d3208aa24101380f0328 Mon Sep 17 00:00:00 2001
From: Alexander Motin <alexander.motin@TrueNAS.com>
Date: Fri, 12 Sep 2025 14:05:38 -0400
Subject: [PATCH] Fix type in dbrrd_closest()

For ABS() to work, the argument must be signed, but rrdd_time is
uint64_t.  Clang noticed it.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Mariusz Zaborski <mariusz.zaborski@klarasystems.com>
Signed-off-by: Alexander Motin <alexander.motin@TrueNAS.com>
Fixes #16853
Closes #17733
---
 module/zfs/zfs_crrd.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/module/zfs/zfs_crrd.c b/module/zfs/zfs_crrd.c
index f9267ed41..e5783b7b8 100644
--- a/module/zfs/zfs_crrd.c
+++ b/module/zfs/zfs_crrd.c
@@ -208,7 +208,8 @@ dbrrd_closest(hrtime_t tv, const rrd_data_t *r1, const rrd_data_t *r2)
 	if (r2 == NULL)
 		return (r1);
 
-	return (ABS(tv - r1->rrdd_time) < ABS(tv - r2->rrdd_time) ? r1 : r2);
+	return (ABS(tv - (hrtime_t)r1->rrdd_time) <
+	    ABS(tv - (hrtime_t)r2->rrdd_time) ? r1 : r2);
 }
 
 uint64_t