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-rw-r--r--net/rose/rose_link.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/net/rose/rose_link.c b/net/rose/rose_link.c
index f6102e6f5161..0f77ae8ef944 100644
--- a/net/rose/rose_link.c
+++ b/net/rose/rose_link.c
@@ -94,11 +94,11 @@ static void rose_t0timer_expiry(struct timer_list *t)
*/
static int rose_send_frame(struct sk_buff *skb, struct rose_neigh *neigh)
{
- ax25_address *rose_call;
+ const ax25_address *rose_call;
ax25_cb *ax25s;
if (ax25cmp(&rose_callsign, &null_ax25_address) == 0)
- rose_call = (ax25_address *)neigh->dev->dev_addr;
+ rose_call = (const ax25_address *)neigh->dev->dev_addr;
else
rose_call = &rose_callsign;
@@ -117,11 +117,11 @@ static int rose_send_frame(struct sk_buff *skb, struct rose_neigh *neigh)
*/
static int rose_link_up(struct rose_neigh *neigh)
{
- ax25_address *rose_call;
+ const ax25_address *rose_call;
ax25_cb *ax25s;
if (ax25cmp(&rose_callsign, &null_ax25_address) == 0)
- rose_call = (ax25_address *)neigh->dev->dev_addr;
+ rose_call = (const ax25_address *)neigh->dev->dev_addr;
else
rose_call = &rose_callsign;
@@ -236,6 +236,9 @@ void rose_transmit_clear_request(struct rose_neigh *neigh, unsigned int lci, uns
unsigned char *dptr;
int len;
+ if (!neigh->dev)
+ return;
+
len = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN + 3;
if ((skb = alloc_skb(len, GFP_ATOMIC)) == NULL)