frv: Remove the BKL from sys_execve

sys_execve for frv seems to be a copy-and-paste of sys_execve that no
longer requires the bkl. Just remove it.
Signed-off-by: NJohn Kacur <jkacur@redhat.com>
Reviewed-by: NFrederic Weisbecker <fweisbec@gmail.com>
Acked-by: NDavid Howells <dhowells@redhat.com>
LKML-Reference: <alpine.LFD.2.00.0910130008320.3658@localhost.localdomain>
Signed-off-by: NThomas Gleixner <tglx@linutronix.de>

arch/frv/kernel/process.c

@@ -255,15 +255,12 @@ asmlinkage int sys_execve(char __user *name, char __user * __user *argv, char __
 	int error;
 	char * filename;
 
-	lock_kernel();
 	filename = getname(name);
 	error = PTR_ERR(filename);
 	if (IS_ERR(filename))
-		goto out;
+		return error;
 	error = do_execve(filename, argv, envp, __frame);
 	putname(filename);
- out:
-	unlock_kernel();
 	return error;
 }