net/x25: fix called/calling length calculation in x25_parse_address_block

The length of the called and calling address was not calculated
correctly (BCD encoding).

Signed-off-by: Martin Schiller <ms@dev.tdt.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index d49aa79b7997..5226a7f43050 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -100,7 +100,7 @@ int x25_parse_address_block(struct sk_buff *skb,
         }
 
         len = *skb->data;
-        needed = 1 + (len >> 4) + (len & 0x0f);
+        needed = 1 + ((len >> 4) + (len & 0x0f) + 1) / 2;
 
         if (!pskb_may_pull(skb, needed)) {
                 /* packet is too short to hold the addresses it claims