[arch-projects] [netcfg] [PATCH] Exit from stop_wpa() if there's nothing to terminate.

[Ivan Shapovalov]

Check "$WPA_CONF_DIR/$INTERFACE" for existence; exit if it's absent
(that is, wpa_supplicant isn't running).
Just avoids an error message from wpa_cli.

Signed-off-by: Ivan Shapovalov <intelfx100 at gmail.com>
---
 src/8021x | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/8021x b/src/8021x
index 608d683..bce4e8c 100644
--- a/src/8021x
+++ b/src/8021x
@@ -73,6 +73,9 @@ stop_wpa()
     # we need this as long as wpa_cli has a different default than netcfg
     [[ -z "$WPA_CTRL_DIR" && -z "$WPA_CONF" ]] && WPA_CTRL_DIR="/run/wpa_supplicant"
 
+    # exit if wpa_supplicant is already terminated for this interface
+    [ -e "$WPA_CTRL_DIR/$INTERFACE" ] || return
+
     wpa_call "$INTERFACE" terminate > /dev/null
 
     # wait up to one second for the pid file to be removed
-- 
1.7.12.2