ipv6: Make mc_forwarding sysctl read-only.

The kernel manages this value internally, as necessary, as VIFs are added/removed and as multicast routers are registered and deregistered. Signed-off-by: David S. Miller <davem@davemloft.net>

ipv6: Make mc_forwarding sysctl read-only.
The kernel manages this value internally, as necessary, as VIFs are added/removed and as multicast routers are registered and deregistered. Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller
1 parent 1d6e55f195
Showing 1 changed file with 1 additions and 1 deletions Side-by-side Diff
net/ipv6/addrconf.c
@@ -4250,7 +4250,7 @@
 			.procname	=	"mc_forwarding",
 			.data		=	&ipv6_devconf.mc_forwarding,
 			.maxlen		=	sizeof(int),
-			.mode		=	0644,
+			.mode		=	0444,
 			.proc_handler	=	proc_dointvec,
 		},
 #endif
...	...	@@ -4250,7 +4250,7 @@
4250	4250	.procname = "mc_forwarding",
4251	4251	.data = &ipv6_devconf.mc_forwarding,
4252	4252	.maxlen = sizeof(int),
4253		- .mode = 0644,
	4253	+ .mode = 0444,
4254	4254	.proc_handler = proc_dointvec,
4255	4255	},
4256	4256	#endif