net: Move the comment about unsettable socket-level options to default clause and update its reference.

We implement the SO_SNDLOWAT etc not to be settable and return
ENOPROTOOPT per 1003.1g 7.  Move the comment to appropriate
position and update the reference.

Signed-off-by: YOSHIFUJI Hideaki <hideaki.yoshifuji@miraclelinux.com>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 2 deletions

diff --git a/net/core/sock.c b/net/core/sock.c
index 841108b5649f..119ae464b44a 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -928,8 +928,6 @@ set_rcvbuf:
                         sk->sk_mark = val;
                 break;
 
-                /* We implement the SO_SNDLOWAT etc to
-                   not be settable (1003.1g 5.3) */
         case SO_RXQ_OVFL:
                 sock_valbool_flag(sk, SOCK_RXQ_OVFL, valbool);
                 break;
@@ -1234,6 +1232,9 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
                 break;
 
         default:
+                /* We implement the SO_SNDLOWAT etc to not be settable
+                 * (1003.1g 7).
+                 */
                 return -ENOPROTOOPT;
         }