[PATCH] staging: gdm72xx: fix reference counting in gdm_wimax_event_init

From: Ben Chan
Date: Mon Jul 23 2012 - 19:06:13 EST


This patch fixes commit 8df858ea76b76dde9a39d4edd9aaded983582cfe, which
mishandles the reference counting of wm_event.

Signed-off-by: Ben Chan <benchan@xxxxxxxxxxxx>
---
drivers/staging/gdm72xx/gdm_wimax.c | 16 ++++++++++------
1 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/drivers/staging/gdm72xx/gdm_wimax.c b/drivers/staging/gdm72xx/gdm_wimax.c
index 0716efc..6cb8107 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;
}

--
1.7.7.3

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