[PATCH] uml: __user annotation in arch_prctl

From: Al Viro <viro@zeniv.linux.org.uk>

fix uml/amd64 prctl()

put_user() there should go to (long __user *)addr, not &addr
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: NJeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

arch/um/sys-x86_64/syscalls.c

@@ -45,7 +45,7 @@ static long arch_prctl_tt(int code, unsigned long addr)
 	case ARCH_GET_GS:
 		ret = arch_prctl(code, (unsigned long) &tmp);
 		if(!ret)
-			ret = put_user(tmp, &addr);
+			ret = put_user(tmp, (long __user *)addr);
 		break;
 	default:
 		ret = -EINVAL;