Handle return values of system calls

diff --git a/plugins/supplicant.c b/plugins/supplicant.c
index e58415c..de74ce5 100644 (file)
--- a/plugins/supplicant.c
+++ b/plugins/supplicant.c
@@ -64,9 +64,7 @@ static struct supplicant_task *find_task(int ifindex)
 
 static int exec_cmd(struct supplicant_task *task, char *cmd)
 {
-       write(task->socket, cmd, strlen(cmd));
-
-       return 0;
+       return write(task->socket, cmd, strlen(cmd));
 }
 
 static gboolean control_event(GIOChannel *chan,

diff --git a/src/iface.c b/src/iface.c
index 2c7fdfe..a6b0ba2 100644 (file)
--- a/src/iface.c
+++ b/src/iface.c
@@ -252,7 +252,7 @@ int connman_iface_set_ipv4(struct connman_iface *iface,
 
        DBG("%s", cmd);
 
-       system(cmd);
+       err = system(cmd);
 
        return 0;
 }
@@ -301,7 +301,7 @@ int connman_iface_clear_ipv4(struct connman_iface *iface)
 
        DBG("%s", cmd);
 
-       system(cmd);
+       err = system(cmd);
 
        return 0;
 }