rxrpc: uninitialized variable in rxrpc_send_ack_packet()

jira LE-1907
Rebuild_History Non-Buildable kernel-5.14.0-284.30.1.el9_2
commit-author Dan Carpenter <[email protected]>
commit 3846189

The "pkt" was supposed to have been deleted in a previous patch.  It
leads to an uninitialized variable bug.

Fixes: 72f0c6f ("rxrpc: Allocate ACK records at proposal and queue for transmission")
	Signed-off-by: Dan Carpenter <[email protected]>
	Acked-by: David Howells <[email protected]>
	Signed-off-by: David S. Miller <[email protected]>
(cherry picked from commit 3846189)
	Signed-off-by: Jonathan Maple <[email protected]>

Author: PlaidCat

net/rxrpc/output.c

@@ -208,7 +208,6 @@ static void rxrpc_cancel_rtt_probe(struct rxrpc_call *call,
 static int rxrpc_send_ack_packet(struct rxrpc_local *local, struct rxrpc_txbuf *txb)
 {
 	struct rxrpc_connection *conn;
-	struct rxrpc_ack_buffer *pkt;
 	struct rxrpc_call *call = txb->call;
 	struct msghdr msg;
 	struct kvec iov[1];
@@ -276,7 +275,6 @@ static int rxrpc_send_ack_packet(struct rxrpc_local *local, struct rxrpc_txbuf *
 		rxrpc_set_keepalive(call);
 	}
 
-	kfree(pkt);
 	return ret;
 }