selftests/txtimestamp: Fix an equals vs assign bug

This should be == instead of =.

Fixes: b52354aa068e ("selftests: expand txtimestamp with ipv6 dgram + raw and pf_packet")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/tools/testing/selftests/networking/timestamping/txtimestamp.c b/tools/testing/selftests/networking/timestamping/txtimestamp.c
index 2e563d17cf0c1ccaa12a59e182488f39657000b7..d1bbafb16f476df49fa9b4f0c3277d677286e4b0 100644 (file)
--- a/tools/testing/selftests/networking/timestamping/txtimestamp.c
+++ b/tools/testing/selftests/networking/timestamping/txtimestamp.c
@@ -240,7 +240,7 @@ static void __recv_errmsg_cmsg(struct msghdr *msg, int payload_len)
                            cm->cmsg_type == IP_RECVERR) ||
                           (cm->cmsg_level == SOL_IPV6 &&
                            cm->cmsg_type == IPV6_RECVERR) ||
-                          (cm->cmsg_level = SOL_PACKET &&
+                          (cm->cmsg_level == SOL_PACKET &&
                            cm->cmsg_type == PACKET_TX_TIMESTAMP)) {
                        serr = (void *) CMSG_DATA(cm);
                        if (serr->ee_errno != ENOMSG ||