[PATCH] staging: gdm72xx: check return value of sscanf

Ben Chan benchan at chromium.org
Wed Jun 25 01:11:08 UTC 2014


Signed-off-by: Ben Chan <benchan at chromium.org>
---
 drivers/staging/gdm72xx/gdm_wimax.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/gdm72xx/gdm_wimax.c b/drivers/staging/gdm72xx/gdm_wimax.c
index e5e5115..3081fd4 100644
--- a/drivers/staging/gdm72xx/gdm_wimax.c
+++ b/drivers/staging/gdm72xx/gdm_wimax.c
@@ -291,8 +291,9 @@ static void __gdm_wimax_event_send(struct work_struct *work)
 		e = list_entry(wm_event.evtq.next, struct evt_entry, list);
 		spin_unlock_irqrestore(&wm_event.evt_lock, flags);
 
-		sscanf(e->dev->name, "wm%d", &idx);
-		netlink_send(wm_event.sock, idx, 0, e->evt_data, e->size);
+		if (sscanf(e->dev->name, "wm%d", &idx) == 1)
+			netlink_send(wm_event.sock, idx, 0, e->evt_data,
+				     e->size);
 
 		spin_lock_irqsave(&wm_event.evt_lock, flags);
 		list_del(&e->list);
-- 
2.0.0.526.g5318336



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