From: David S. Miller <davem@davemloft.net>
Date: Mon, 4 Feb 2019 04:25:31 +0000 (-0800)
Subject: net: Fix fall through warning in y2038 tstamp changes.
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=ff7653f94b523d5d87f2f00cbf21a9d9f6de889c;p=openwrt%2Fstaging%2Fblogic.git

net: Fix fall through warning in y2038 tstamp changes.

net/core/sock.c: In function 'sock_setsockopt':
net/core/sock.c:914:3: warning: this statement may fall through [-Wimplicit-fallthrough=]
   sock_set_flag(sk, SOCK_TSTAMP_NEW);
   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
net/core/sock.c:915:2: note: here
  case SO_TIMESTAMPING_OLD:
  ^~~~

Fixes: 9718475e6908 ("socket: Add SO_TIMESTAMPING_NEW")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/core/sock.c b/net/core/sock.c
index a8904ae40713..71ded4d8025c 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -912,6 +912,7 @@ set_rcvbuf:
 
 	case SO_TIMESTAMPING_NEW:
 		sock_set_flag(sk, SOCK_TSTAMP_NEW);
+		/* fall through */
 	case SO_TIMESTAMPING_OLD:
 		if (val & ~SOF_TIMESTAMPING_MASK) {
 			ret = -EINVAL;