[STRIP]: Fix neighbour table refcount leak.

Found by inspection. The STRIP driver does neigh_lookup() but never
releases.  This driver shouldn't being doing gratuitous arp anyway.

Untested, obviously, because of lack of hardware.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/wireless/strip.c b/drivers/net/wireless/strip.c
index fd31885..ccaf28e 100644 (file)
--- a/drivers/net/wireless/strip.c
+++ b/drivers/net/wireless/strip.c
@@ -467,6 +467,7 @@ static int arp_query(unsigned char *haddr, u32 paddr,
                     struct net_device *dev)
 {
        struct neighbour *neighbor_entry;
+       int ret = 0;
 
        neighbor_entry = neigh_lookup(&arp_tbl, &paddr, dev);
 
@@ -474,10 +475,11 @@ static int arp_query(unsigned char *haddr, u32 paddr,
                neighbor_entry->used = jiffies;
                if (neighbor_entry->nud_state & NUD_VALID) {
                        memcpy(haddr, neighbor_entry->ha, dev->addr_len);
-                       return 1;
+                       ret = 1;
                }
+               neigh_release(neighbor_entry);
        }
-       return 0;
+       return ret;
 }
 
 static void DumpData(char *msg, struct strip *strip_info, __u8 * ptr,