[PATCH] Subject: PATCH: fix bogus ioctl return in mtrr

This is fairly self explanatory - ENOIOCTLCMD is an internal code outside
of the -1 to -511 range.  The correct return for an unknown ioctl is
-ENOTTY although some Linux devices return the incorrect -EINVAL result.
Patch-By: Alan Cox <alan@redhat.com>
OSDL Developer Certificate of Origin 1.0 included herein by reference
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/i386/kernel/cpu/mtrr/if.c

@@ -160,7 +160,7 @@ mtrr_ioctl(struct inode *inode, struct file *file,
 
 	switch (cmd) {
 	default:
-		return -ENOIOCTLCMD;
+		return -ENOTTY;
 	case MTRRIOC_ADD_ENTRY:
 		if (!capable(CAP_SYS_ADMIN))
 			return -EPERM;