From: Eric Dumazet <edumazet@google.com>
Date: Wed, 15 Apr 2026 13:03:07 +0000 (+0000)
Subject: ss: force a flush in monitor mode
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;p=thirdparty%2Fiproute2.git

ss: force a flush in monitor mode

Call fflush() from generic_show_sock() in order to work
with pipes and redirects.

After this patch, "ss -E &>log_file" works as expected.

Signed-off-by: Eric Dumazet <edumazet@google.com>
---

diff --git a/misc/ss.c b/misc/ss.c
index 121ca6d5..9671ba80 100644
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -5542,6 +5542,7 @@ static int generic_show_sock(struct nlmsghdr *nlh, void *arg)
 
 	render();
 
+	fflush(stdout);
 	return ret;
 }