From 82e414f1b2e4d3c45d107b79da4a750485038c83 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=BD=D0=B0=D0=B1?= <nabijaczleweli@nabijaczleweli.xyz>
Date: Tue, 18 May 2021 18:00:26 +0200
Subject: [PATCH] libshare: nfs: always try to mkdir()
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This also works out to one syscall if the directory exists,
but is one syscall shorter if it doesn't.

Reviewed-by: Don Brady <don.brady@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: John Kennedy <john.kennedy@delphix.com>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12067
---
 lib/libshare/nfs.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/lib/libshare/nfs.c b/lib/libshare/nfs.c
index 153de04c21..980e517cb6 100644
--- a/lib/libshare/nfs.c
+++ b/lib/libshare/nfs.c
@@ -89,11 +89,9 @@ struct tmpfile {
 static boolean_t
 nfs_init_tmpfile(const char *prefix, const char *mdir, struct tmpfile *tmpf)
 {
-	struct stat sb;
-
 	if (mdir != NULL &&
-	    stat(mdir, &sb) < 0 &&
-	    mkdir(mdir, 0755) < 0) {
+	    mkdir(mdir, 0755) < 0 &&
+	    errno != EEXIST) {
 		fprintf(stderr, "failed to create %s: %s\n",
 		    mdir, strerror(errno));
 		return (B_FALSE);