netdev - [PATCH bpf-next 09/12] selftests/bpf: define local variables at the beginning of a block

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Date:   Fri, 22 Jan 2021 16:47:22 +0100
From:   Björn Töpel <bjorn.topel@...il.com>
To:     ast@...nel.org, daniel@...earbox.net, netdev@...r.kernel.org,
        bpf@...r.kernel.org
Cc:     Björn Töpel <bjorn.topel@...el.com>,
        magnus.karlsson@...el.com, jonathan.lemon@...il.com,
        ciara.loftus@...el.com, weqaar.a.janjua@...el.com
Subject: [PATCH bpf-next 09/12] selftests/bpf: define local variables at the beginning of a block

From: Björn Töpel <bjorn.topel@...el.com>

Use C89 rules for variable definition.

Signed-off-by: Björn Töpel <bjorn.topel@...el.com>
---
 tools/testing/selftests/bpf/xdpxceiver.c | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/bpf/xdpxceiver.c b/tools/testing/selftests/bpf/xdpxceiver.c
index 993ce9b7aa76..34bdcae9b908 100644
--- a/tools/testing/selftests/bpf/xdpxceiver.c
+++ b/tools/testing/selftests/bpf/xdpxceiver.c
@@ -567,9 +567,11 @@ static void rx_pkt(struct xsk_socket_info *xsk, struct pollfd *fds)
 	}
 
 	for (i = 0; i < rcvd; i++) {
-		u64 addr = xsk_ring_cons__rx_desc(&xsk->rx, idx_rx)->addr;
-		(void)xsk_ring_cons__rx_desc(&xsk->rx, idx_rx++)->len;
-		u64 orig = xsk_umem__extract_addr(addr);
+		u64 addr, orig;
+
+		addr = xsk_ring_cons__rx_desc(&xsk->rx, idx_rx)->addr;
+		xsk_ring_cons__rx_desc(&xsk->rx, idx_rx++);
+		orig = xsk_umem__extract_addr(addr);
 
 		addr = xsk_umem__add_offset_to_addr(addr);
 		pkt_node_rx = malloc(sizeof(struct pkt) + PKT_SIZE);
@@ -905,6 +907,8 @@ static void *worker_testapp_validate(void *arg)
 
 static void testapp_validate(void)
 {
+	struct timespec max_wait = { 0, 0 };
+
 	pthread_attr_init(&attr);
 	pthread_attr_setstacksize(&attr, THREAD_STACK);
 
@@ -929,8 +933,6 @@ static void testapp_validate(void)
 			exit_with_error(errno);
 	}
 
-	struct timespec max_wait = { 0, 0 };
-
 	if (clock_gettime(CLOCK_REALTIME, &max_wait))
 		exit_with_error(errno);
 	max_wait.tv_sec += TMOUT_SEC;
-- 
2.27.0