From 44a78c05b3946804e98686dd5f22d57f00186547 Mon Sep 17 00:00:00 2001
From: Charles Suh <charlessuh@users.noreply.github.com>
Date: Mon, 9 Jan 2023 12:49:35 -0800
Subject: [PATCH] libzpool: fix ddi_strtoull to update nptr

Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Charles Suh <charles.suh@gmail.com>
Closes #14360
---
 lib/libzpool/kernel.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/libzpool/kernel.c b/lib/libzpool/kernel.c
index 0e3e4cee7..a9b9bf4c2 100644
--- a/lib/libzpool/kernel.c
+++ b/lib/libzpool/kernel.c
@@ -770,10 +770,8 @@ random_get_pseudo_bytes(uint8_t *ptr, size_t len)
 int
 ddi_strtoull(const char *str, char **nptr, int base, u_longlong_t *result)
 {
-	(void) nptr;
-	char *end;
-
-	*result = strtoull(str, &end, base);
+	errno = 0;
+	*result = strtoull(str, nptr, base);
 	if (*result == 0)
 		return (errno);
 	return (0);