[PATCH] selftests: net: remove unused variables

[zhujun2]

These variables are never referenced in the code, just remove them

Signed-off-by: zhujun2 <zhuj...@cmss.chinamobile.com>
---
 tools/testing/selftests/net/af_unix/scm_pidfd.c     | 1 -
 tools/testing/selftests/net/af_unix/test_unix_oob.c | 2 --
 tools/testing/selftests/net/nettest.c               | 5 +++--
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/tools/testing/selftests/net/af_unix/scm_pidfd.c 
b/tools/testing/selftests/net/af_unix/scm_pidfd.c
index a86222143..7e5345941 100644
--- a/tools/testing/selftests/net/af_unix/scm_pidfd.c
+++ b/tools/testing/selftests/net/af_unix/scm_pidfd.c
@@ -294,7 +294,6 @@ static void fill_sockaddr(struct sock_addr *addr, bool 
abstract)
 static void client(FIXTURE_DATA(scm_pidfd) *self,
                   const FIXTURE_VARIANT(scm_pidfd) *variant)
 {
-       int err;
        int cfd;
        socklen_t len;
        struct ucred peer_cred;
diff --git a/tools/testing/selftests/net/af_unix/test_unix_oob.c 
b/tools/testing/selftests/net/af_unix/test_unix_oob.c
index 532459a15..a7c51889a 100644
--- a/tools/testing/selftests/net/af_unix/test_unix_oob.c
+++ b/tools/testing/selftests/net/af_unix/test_unix_oob.c
@@ -180,9 +180,7 @@ main(int argc, char **argv)
        char buf[1024];
        int on = 0;
        char oob;
-       int flags;
        int atmark;
-       char *tmp_file;
 
        lfd = socket(AF_UNIX, SOCK_STREAM, 0);
        memset(&consumer_addr, 0, sizeof(consumer_addr));
diff --git a/tools/testing/selftests/net/nettest.c 
b/tools/testing/selftests/net/nettest.c
index 39a0e01f8..cd8a58097 100644
--- a/tools/testing/selftests/net/nettest.c
+++ b/tools/testing/selftests/net/nettest.c
@@ -1864,8 +1864,9 @@ static char *random_msg(int len)
                n += i;
                len -= i;
        }
-       i = snprintf(m + n, olen - n, "%.*s", len,
-                    "abcdefghijklmnopqrstuvwxyz");
+
+       snprintf(m + n, olen - n, "%.*s", len,
+            "abcdefghijklmnopqrstuvwxyz");
        return m;
 }
 
-- 
2.17.1