mn10300: Remove the BKL from sys_execve

This looks like a cut-and-paste from functionality that no-longer
needs the bkl Just remove it. Also, rewrite slightly so that it looks
closer to sys_execve on other architectures.

Signed-off-by: John Kacur <jkacur@redhat.com>
Reviewed-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Koichi Yasutake <yasutake.koichi@jp.panasonic.com>
LKML-Reference: <alpine.LFD.2.00.0910130016540.3658@localhost.localdomain>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 4 insertions, 8 deletions

diff --git a/arch/mn10300/kernel/process.c b/arch/mn10300/kernel/process.c
index 892cce82867e..ec8a21df1142 100644
--- a/arch/mn10300/kernel/process.c
+++ b/arch/mn10300/kernel/process.c
@@ -275,16 +275,12 @@ asmlinkage long sys_execve(char __user *name,
         char *filename;
         int error;
 
-        lock_kernel();
-
         filename = getname(name);
         error = PTR_ERR(filename);
-        if (!IS_ERR(filename)) {
-                error = do_execve(filename, argv, envp, __frame);
-                putname(filename);
-        }
-
-        unlock_kernel();
+        if (IS_ERR(filename))
+                return error;
+        error = do_execve(filename, argv, envp, __frame);
+        putname(filename);
         return error;
 }