pppd: Make pid directory before creating the pid file (#536)

If multilink feature is not enabled, the '/var/run/pppd' directory
won't be created before adding pid file.

Fixes error message:
'Failed to create pid file /var/run/pppd/pppoe-wan.pid: No such file or directory'

Signed-off-by: Shiji Yang <yangshiji66@outlook.com>

diff --git a/pppd/main.c b/pppd/main.c
index 66db6a98fcc90036b36b0b266e2ba623dda1f170..a4bc777675cae86779f5638b33a373ed2a47fb08 100644 (file)
--- a/pppd/main.c
+++ b/pppd/main.c
@@ -923,6 +923,7 @@ create_pidfile(int pid)
 {
     FILE *pidfile;
 
+    mkdir_recursive(PPP_PATH_VARRUN);
     slprintf(pidfilename, sizeof(pidfilename), "%s/%s.pid",
             PPP_PATH_VARRUN, ifname);
     if ((pidfile = fopen(pidfilename, "w")) != NULL) {