In preparation for adding new tests for GSO over UDP tunnels,
apply consistently the kernel style to the existing code.

Signed-off-by: Xu Du <xudu@redhat.com>
---
 tools/testing/selftests/net/tun.c | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)

diff --git a/tools/testing/selftests/net/tun.c b/tools/testing/selftests/net/tun.c
index 0efc67b0357a..128b0a5327d4 100644
--- a/tools/testing/selftests/net/tun.c
+++ b/tools/testing/selftests/net/tun.c
@@ -25,7 +25,7 @@ static int tun_attach(int fd, char *dev)
 	strcpy(ifr.ifr_name, dev);
 	ifr.ifr_flags = IFF_ATTACH_QUEUE;
 
-	return ioctl(fd, TUNSETQUEUE, (void *) &ifr);
+	return ioctl(fd, TUNSETQUEUE, (void *)&ifr);
 }
 
 static int tun_detach(int fd, char *dev)
@@ -36,7 +36,7 @@ static int tun_detach(int fd, char *dev)
 	strcpy(ifr.ifr_name, dev);
 	ifr.ifr_flags = IFF_DETACH_QUEUE;
 
-	return ioctl(fd, TUNSETQUEUE, (void *) &ifr);
+	return ioctl(fd, TUNSETQUEUE, (void *)&ifr);
 }
 
 static int tun_alloc(char *dev)
@@ -54,7 +54,7 @@ static int tun_alloc(char *dev)
 	strcpy(ifr.ifr_name, dev);
 	ifr.ifr_flags = IFF_TAP | IFF_NAPI | IFF_MULTI_QUEUE;
 
-	err = ioctl(fd, TUNSETIFF, (void *) &ifr);
+	err = ioctl(fd, TUNSETIFF, (void *)&ifr);
 	if (err < 0) {
 		fprintf(stderr, "can't TUNSETIFF: %s\n", strerror(errno));
 		close(fd);
@@ -67,9 +67,9 @@ static int tun_alloc(char *dev)
 static int tun_delete(char *dev)
 {
 	struct {
-		struct nlmsghdr  nh;
+		struct nlmsghdr nh;
 		struct ifinfomsg ifm;
-		unsigned char    data[64];
+		unsigned char data[64];
 	} req;
 	struct rtattr *rta;
 	int ret, rtnl;
@@ -127,31 +127,36 @@ FIXTURE_TEARDOWN(tun)
 		close(self->fd2);
 }
 
-TEST_F(tun, delete_detach_close) {
+TEST_F(tun, delete_detach_close)
+{
 	EXPECT_EQ(tun_delete(self->ifname), 0);
 	EXPECT_EQ(tun_detach(self->fd, self->ifname), -1);
 	EXPECT_EQ(errno, 22);
 }
 
-TEST_F(tun, detach_delete_close) {
+TEST_F(tun, detach_delete_close)
+{
 	EXPECT_EQ(tun_detach(self->fd, self->ifname), 0);
 	EXPECT_EQ(tun_delete(self->ifname), 0);
 }
 
-TEST_F(tun, detach_close_delete) {
+TEST_F(tun, detach_close_delete)
+{
 	EXPECT_EQ(tun_detach(self->fd, self->ifname), 0);
 	close(self->fd);
 	self->fd = -1;
 	EXPECT_EQ(tun_delete(self->ifname), 0);
 }
 
-TEST_F(tun, reattach_delete_close) {
+TEST_F(tun, reattach_delete_close)
+{
 	EXPECT_EQ(tun_detach(self->fd, self->ifname), 0);
 	EXPECT_EQ(tun_attach(self->fd, self->ifname), 0);
 	EXPECT_EQ(tun_delete(self->ifname), 0);
 }
 
-TEST_F(tun, reattach_close_delete) {
+TEST_F(tun, reattach_close_delete)
+{
 	EXPECT_EQ(tun_detach(self->fd, self->ifname), 0);
 	EXPECT_EQ(tun_attach(self->fd, self->ifname), 0);
 	close(self->fd);
-- 
2.49.0