cgfsng: trim()

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>

diff --git a/src/lxc/cgroups/cgfsng.c b/src/lxc/cgroups/cgfsng.c
index 15e913328d4c22296460a494da4f0713c94d3f8e..d1d7c3002dd19c23f1cdc8ab456151ed65cf9eb6 100644 (file)
--- a/src/lxc/cgroups/cgfsng.c
+++ b/src/lxc/cgroups/cgfsng.c
@@ -1132,7 +1132,9 @@ static int get_existing_subsystems(char ***klist, char ***nlist)
 
 static void trim(char *s)
 {
-       size_t len = strlen(s);
+       size_t len;
+
+       len = strlen(s);
        while ((len > 1) && (s[len - 1] == '\n'))
                s[--len] = '\0';
 }