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 6045523cd17e83d05bcc36cb3f9101ccbf5d3b8e..de134338f0f64583edb351cd8bc8d3451d005815 100644 (file)
--- a/src/lxc/cgroups/cgfsng.c
+++ b/src/lxc/cgroups/cgfsng.c
@@ -1123,7 +1123,9 @@ 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';
 }