From: David Howells <dhowells@redhat.com>
Date: Sat, 17 Sep 2016 09:49:11 +0000 (+0100)
Subject: rxrpc: Check the return value of rxrpc_locate_data()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2e2ea51dec2ab6a81950d4b436eb66ebf45dd507;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

rxrpc: Check the return value of rxrpc_locate_data()

Check the return value of rxrpc_locate_data() in rxrpc_recvmsg_data().

Signed-off-by: David Howells <dhowells@redhat.com>
---

diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
index 0d085f5cf1bf..1edf2cf62cc5 100644
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -300,10 +300,13 @@ static int rxrpc_recvmsg_data(struct socket *sock, struct rxrpc_call *call,
 		if (msg)
 			sock_recv_timestamp(msg, sock->sk, skb);
 
-		if (rx_pkt_offset == 0)
+		if (rx_pkt_offset == 0) {
 			ret = rxrpc_locate_data(call, skb,
 						&call->rxtx_annotations[ix],
 						&rx_pkt_offset, &rx_pkt_len);
+			if (ret < 0)
+				goto out;
+		}
 		_debug("recvmsg %x DATA #%u { %d, %d }",
 		       sp->hdr.callNumber, seq, rx_pkt_offset, rx_pkt_len);