netdev - [PATCH] net: bpfilter: print umh messages to /dev/kmsg

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Date:   Fri, 5 Jul 2019 03:54:58 +0000
From:   Gary Lin <GLin@...e.com>
To:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:     "netfilter-devel@...r.kernel.org" <netfilter-devel@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        "David S . Miller" <davem@...emloft.net>,
        Daniel Borkmann <daniel@...earbox.net>,
        Fabian Vogt <FVogt@...e.com>, Gary Lin <GLin@...e.com>
Subject: [PATCH] net: bpfilter: print umh messages to /dev/kmsg

bpfilter_umh currently printed all messages to /dev/console and this
might interfere the user activity(*).

This commit changes the output device to /dev/kmsg so that the messages
from bpfilter_umh won't show on the console directly.

(*) https://bugzilla.suse.com/show_bug.cgi?id=1140221

Signed-off-by: Gary Lin <glin@...e.com>
---
 net/bpfilter/main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/bpfilter/main.c b/net/bpfilter/main.c
index 61ce8454a88e..77396a098fbe 100644
--- a/net/bpfilter/main.c
+++ b/net/bpfilter/main.c
@@ -55,7 +55,7 @@ static void loop(void)
 
 int main(void)
 {
-	debug_fd = open("/dev/console", 00000002);
+	debug_fd = open("/dev/kmsg", 00000002);
 	dprintf(debug_fd, "Started bpfilter\n");
 	loop();
 	close(debug_fd);
-- 
2.22.0