confile_utils: cleanup sig_num()

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

diff --git a/src/lxc/confile_utils.c b/src/lxc/confile_utils.c
index 5db6febf6bd67add675f71ffea9ad701cb160ac3..d1d174d8bef5350bd96ecd249671a06eb8f0477b 100644 (file)
--- a/src/lxc/confile_utils.c
+++ b/src/lxc/confile_utils.c
@@ -1009,10 +1009,12 @@ static const struct signame signames[] = {
 
 static int sig_num(const char *sig)
 {
+       int ret;
        unsigned int signum;
 
-       if (lxc_safe_uint(sig, &signum) < 0)
-               return -1;
+       ret = lxc_safe_uint(sig, &signum);
+       if (ret < 0)
+               return ret;
 
        return signum;
 }