From 472aba5f91fd6413c9c75e71366f133aa8c7f2f2 Mon Sep 17 00:00:00 2001
From: Ben Chan <benchan@chromium.org>
Date: Tue, 24 Jul 2012 07:49:42 -0700
Subject: [PATCH] staging: gdm72xx: fix reference counting in
gdm_wimax_event_init
This patch fixes the commit "staging/gdm72xx: cleanup little at
gdm_wimax_event_rcv" (8df858ea76b76dde9a39d4edd9aaded983582cfe),
which mishandles the reference counting of wm_event.
Signed-off-by: Ben Chan <benchan@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/staging/gdm72xx/gdm_wimax.c | 16 ++++++++++------
1 file changed, 10 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/gdm72xx/gdm_wimax.c b/drivers/staging/gdm72xx/gdm_wimax.c
index 0716efc1817d..6cb810701a3e 100644
--- a/drivers/staging/gdm72xx/gdm_wimax.c
+++ b/drivers/staging/gdm72xx/gdm_wimax.c
@@ -258,12 +258,16 @@ static int gdm_wimax_event_init(void)
if (!wm_event.ref_cnt) {
wm_event.sock = netlink_init(NETLINK_WIMAX,
gdm_wimax_event_rcv);
- if (wm_event.sock)
- wm_event.ref_cnt++;
- INIT_LIST_HEAD(&wm_event.evtq);
- INIT_LIST_HEAD(&wm_event.freeq);
- INIT_WORK(&wm_event.ws, __gdm_wimax_event_send);
- spin_lock_init(&wm_event.evt_lock);
+ if (wm_event.sock) {
+ INIT_LIST_HEAD(&wm_event.evtq);
+ INIT_LIST_HEAD(&wm_event.freeq);
+ INIT_WORK(&wm_event.ws, __gdm_wimax_event_send);
+ spin_lock_init(&wm_event.evt_lock);
+ }
+ }
+
+ if (wm_event.sock) {
+ wm_event.ref_cnt++;
return 0;
}