NFC: Return NULL when no LLCP socket for a dsap,ssap couple is found
The previous code was always returning the last socket from the
LLCP socket list.
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c
index a2da0a4..285bba8 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -144,7 +144,7 @@
{
struct sock *sk;
struct hlist_node *node;
- struct nfc_llcp_sock *llcp_sock;
+ struct nfc_llcp_sock *llcp_sock, *tmp_sock;
pr_debug("ssap dsap %d %d\n", ssap, dsap);
@@ -156,10 +156,12 @@
llcp_sock = NULL;
sk_for_each(sk, node, &local->sockets.head) {
- llcp_sock = nfc_llcp_sock(sk);
+ tmp_sock = nfc_llcp_sock(sk);
- if (llcp_sock->ssap == ssap && llcp_sock->dsap == dsap)
+ if (tmp_sock->ssap == ssap && tmp_sock->dsap == dsap) {
+ llcp_sock = tmp_sock;
break;
+ }
}
read_unlock(&local->sockets.lock);
@@ -1073,7 +1075,7 @@
}
if (llcp_sock == NULL) {
- pr_err("Invalid DM\n");
+ pr_debug("Already closed\n");
return;
}