[PATCH] ipc-procfs-sysctl mixups

When CONFIG_PROC_FS=n and CONFIG_PROC_SYSCTL=n but CONFIG_SYSVIPC=y, we get
this build error:

kernel/built-in.o:(.data+0xc38): undefined reference to `proc_ipc_doulongvec_minmax'
kernel/built-in.o:(.data+0xc88): undefined reference to `proc_ipc_doulongvec_minmax'
kernel/built-in.o:(.data+0xcd8): undefined reference to `proc_ipc_dointvec'
kernel/built-in.o:(.data+0xd28): undefined reference to `proc_ipc_dointvec'
kernel/built-in.o:(.data+0xd78): undefined reference to `proc_ipc_dointvec'
kernel/built-in.o:(.data+0xdc8): undefined reference to `proc_ipc_dointvec'
kernel/built-in.o:(.data+0xe18): undefined reference to `proc_ipc_dointvec'
make: *** [vmlinux] Error 1

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Eric Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

kernel/sysctl.c

@@ -2408,6 +2408,17 @@ static int proc_do_ipc_string(ctl_table *table, int write, struct file *filp,
 {
 	return -ENOSYS;
 }
+static int proc_ipc_dointvec(ctl_table *table, int write, struct file *filp,
+		void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+	return -ENOSYS;
+}
+static int proc_ipc_doulongvec_minmax(ctl_table *table, int write,
+		struct file *filp, void __user *buffer,
+		size_t *lenp, loff_t *ppos)
+{
+	return -ENOSYS;
+}
 #endif
 
 int proc_dointvec(ctl_table *table, int write, struct file *filp,