[PATCH] Skip setting the same hwaddr to a lag port if not needed

[Pavel Shirshov]

Avoid setting the same mac address to a LAG port,
if the LAG port already has the right one.

Signed-off-by: Pavel Shirshov <pavel.contrib(a)gmail.com&gt;
---
 teamd/teamd.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/teamd/teamd.c b/teamd/teamd.c
index 8cdc16d..f955b19 100644
--- a/teamd/teamd.c
+++ b/teamd/teamd.c
@@ -837,7 +837,14 @@ static int teamd_set_hwaddr(struct teamd_context *ctx)
 		err = -EINVAL;
 		goto free_hwaddr;
 	}
-	err = team_hwaddr_set(ctx->th, ctx->ifindex, hwaddr, hwaddr_len);
+
+	if (memcmp(hwaddr, ctx->hwaddr, hwaddr_len))
+		err = team_hwaddr_set(ctx->th, ctx->ifindex, hwaddr, hwaddr_len);
+	else {
+		err = 0;
+		teamd_log_dbg(ctx, "Skip setting same hwaddr string: \"%s\".",
hwaddr_str);
+	}
+
 	if (!err)
 		ctx->hwaddr_explicit = true;
 free_hwaddr:
-- 
2.7.4