From f4037dc520045b4779cf8589bd75ced2d343c215 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 22 Sep 2017 18:25:45 +0200
Subject: [PATCH] cgroup-util: replace one use of fgets() by read_line()

(cherry picked from commit 2351e44d3ed57b7a48b9e544a59c3b797ac4d216)
---
 src/basic/cgroup-util.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c
index 6344372610..9148a7b1ab 100644
--- a/src/basic/cgroup-util.c
+++ b/src/basic/cgroup-util.c
@@ -2326,7 +2326,6 @@ int cg_mask_supported(CGroupMask *ret) {
 
 int cg_kernel_controllers(Set *controllers) {
         _cleanup_fclose_ FILE *f = NULL;
-        char buf[LINE_MAX];
         int r;
 
         assert(controllers);
@@ -2344,7 +2343,7 @@ int cg_kernel_controllers(Set *controllers) {
         }
 
         /* Ignore the header line */
-        (void) fgets(buf, sizeof(buf), f);
+        (void) read_line(f, (size_t) -1, NULL);
 
         for (;;) {
                 char *controller;