Commit ab802ee0 authored by David Howells's avatar David Howells
Browse files

rxrpc: Clear the unused part of a sockaddr_rxrpc for memcmp() use 



Clear the unused part of a sockaddr_rxrpc structs so that memcmp() can be
used to compare them.

Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
parent 2b15ef15

net/rxrpc/af_rxrpc.c

+5 −3
Original line number Diff line number Diff line
@@ -81,6 +81,8 @@ static int rxrpc_validate_address(struct rxrpc_sock *rx, 
				  struct sockaddr_rxrpc *srx,

				  int len)

{

	unsigned tail;



	if (len < sizeof(struct sockaddr_rxrpc))

		return -EINVAL;
@@ -103,9 +105,7 @@ static int rxrpc_validate_address(struct rxrpc_sock *rx, 
		_debug("INET: %x @ %pI4",

		       ntohs(srx->transport.sin.sin_port),

		       &srx->transport.sin.sin_addr);

		if (srx->transport_len > 8)

			memset((void *)&srx->transport + 8, 0,

			       srx->transport_len - 8);

		tail = offsetof(struct sockaddr_rxrpc, transport.sin.__pad);

		break;



	case AF_INET6:
@@ -113,6 +113,8 @@ static int rxrpc_validate_address(struct rxrpc_sock *rx, 
		return -EAFNOSUPPORT;

	}



	if (tail < len)

		memset((void *)srx + tail, 0, len - tail);

	return 0;

}