netdev - [PATCH v2] net: don't warn in inet diag when IPV6 is disabled

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Date:   Tue,  2 Jul 2019 15:20:21 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     davem@...emloft.net, kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org
Cc:     netdev@...r.kernel.org,
        Stephen Hemminger <stephen@...workplumber.org>
Subject: [PATCH v2] net: don't warn in inet diag when IPV6 is disabled

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>
---
 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 899e34ceb560..e35736b99300 100644
--- a/net/ipv4/raw_diag.c
+++ b/net/ipv4/raw_diag.c
@@ -24,9 +24,6 @@ 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