From: Daan De Meyer <daan.j.demeyer@gmail.com>
Date: Mon, 22 Apr 2024 08:16:40 +0000 (+0200)
Subject: fd-util: Return 1 from fd_nonblock() if we actually change the mode
X-Git-Tag: v256-rc1~69^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e6724664c3d8fa8669746192f647c1845f9857ff;p=thirdparty%2Fsystemd.git

fd-util: Return 1 from fd_nonblock() if we actually change the mode
---

diff --git a/src/basic/fd-util.c b/src/basic/fd-util.c
index 5d005302969..121e6cd2190 100644
--- a/src/basic/fd-util.c
+++ b/src/basic/fd-util.c
@@ -167,7 +167,10 @@ int fd_nonblock(int fd, bool nonblock) {
         if (nflags == flags)
                 return 0;
 
-        return RET_NERRNO(fcntl(fd, F_SETFL, nflags));
+        if (fcntl(fd, F_SETFL, nflags) < 0)
+                return -errno;
+
+        return 1;
 }
 
 int stdio_disable_nonblock(void) {