From 219acd907bf041b7c42b3c8874e22c5b86bafcb2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=BD=D0=B0=D0=B1?= <nabijaczleweli@nabijaczleweli.xyz>
Date: Sun, 11 Apr 2021 20:12:50 +0200
Subject: [PATCH] freebsd/libshare: nfs: make nfs_is_shared() thread-safe
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Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Wilson <gwilson@delphix.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #11886
---
 lib/libshare/os/freebsd/nfs.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/lib/libshare/os/freebsd/nfs.c b/lib/libshare/os/freebsd/nfs.c
index b0394dfab0..56df3e6664 100644
--- a/lib/libshare/os/freebsd/nfs.c
+++ b/lib/libshare/os/freebsd/nfs.c
@@ -361,14 +361,10 @@ nfs_disable_share(sa_share_impl_t impl_share)
 	return (error);
 }
 
-/*
- * NOTE: This function returns a static buffer and thus is not thread-safe.
- */
 static boolean_t
 nfs_is_shared(sa_share_impl_t impl_share)
 {
-	static char line[MAXLINESIZE];
-	char *s, last;
+	char *s, last, line[MAXLINESIZE];
 	size_t len;
 	char *mntpoint = impl_share->sa_mountpoint;
 	size_t mntlen = strlen(mntpoint);