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 <[email protected]>
Reviewed-by: Frederic Weisbecker <[email protected]>
Acked-by: David Howells <[email protected]>
Cc: Koichi Yasutake <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>

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;
 }