linux-kernel - [PATCH 4.19 55/63] net: dont warn in inet diag when IPV6 is disabled

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Message-Id: <20190929135040.667958550@linuxfoundation.org>
Date:   Sun, 29 Sep 2019 15:54:28 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Stephen Hemminger <stephen@...workplumber.org>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 55/63] net: dont warn in inet diag when IPV6 is disabled

From: Stephen Hemminger <stephen@...workplumber.org>

[ Upstream commit 1e64d7cbfdce4887008314d5b367209582223f27 ]

If IPV6 was disabled, then ss command would cause a kernel warning
because the command was attempting to dump IPV6 socket information.
The fix is to just remove the warning.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=202249
Fixes: 432490f9d455 ("net: ip, diag -- Add diag interface for raw sockets")
Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 net/ipv4/raw_diag.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/net/ipv4/raw_diag.c b/net/ipv4/raw_diag.c
index c200065ef9a5e..6367ecdf76c42 100644
--- a/net/ipv4/raw_diag.c
+++ b/net/ipv4/raw_diag.c
@@ -23,9 +23,6 @@ raw_get_hashinfo(const struct inet_diag_req_v2 *r)
 		return &raw_v6_hashinfo;
 #endif
 	} else {
-		pr_warn_once("Unexpected inet family %d\n",
-			     r->sdiag_family);
-		WARN_ON_ONCE(1);
 		return ERR_PTR(-EINVAL);
 	}
 }
-- 
2.20.1