sysctl: kill binary sysctl KERN_PPC_L2CR

: Stefan Roese <sr@denx.de> said:
> ppc: 4xx: sysctl table check failed: /kernel/l2cr .1.31 Missing strategy
>
> I'm seeing this error message when booting an recent arch/ppc kernel on
> 4xx platforms (tested on Ocotea and other 4xx platforms). Booting NFS
> rootfs still works fine, but this message kind of makes me "nervous".
> This is not seen on 4xx arch/powerpc platforms. Here the bootlog:

Because the data field was never filled and a binary sysctl handler was
never written this sysctl has never been usable through the sys_sysctl
interface.  So just remove the binary sysctl number.  Making the kernel
sanity checks happy.
Signed-off-by: NEric W. Biederman <ebiederm@xmission.com>
Reported-by: NStefan Roese <sr@denx.de>
Cc: Josh Boyer <jwboyer@gmail.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

arch/ppc/kernel/ppc_htab.c

@@ -436,7 +436,6 @@ int proc_dol2crvec(ctl_table *table, int write, struct file *filp,
  */
 static ctl_table htab_ctl_table[]={
 	{
-		.ctl_name	= KERN_PPC_L2CR,
 		.procname	= "l2cr",
 		.mode		= 0644,
 		.proc_handler	= &proc_dol2crvec,