Staging: lustre: ptlrpc: Remove unnecessary cast on void pointer

void pointers do not need to be cast to other pointer types.

The semantic patch used to find this:

@r@
expression x;
void* e;
type T;
identifier f;
@@

(
  *((T *)e)
|
  ((T *)x)[...]
|
  ((T *)x)->f
|
- (T *)
  e
)
Signed-off-by: Shraddha Barke <shraddha.6596@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/ptlrpc/connection.c

@@ -173,7 +173,7 @@ conn_keycmp(const void *key, struct hlist_node *hnode)
 	const lnet_process_id_t *conn_key;
 
 	LASSERT(key != NULL);
-	conn_key = (lnet_process_id_t *)key;
+	conn_key = key;
 	conn = hlist_entry(hnode, struct ptlrpc_connection, c_hash);
 
 	return conn_key->nid == conn->c_peer.nid &&