Remove the lock_kernel() call from chrdev_open()
All in-kernel char device open() functions now either have their own
lock_kernel() calls or clearly do not need one.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/fs/char_dev.c b/fs/char_dev.c
index a54d693..3cb7cda 100644
--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -394,11 +394,8 @@
cdev_put(p);
return -ENXIO;
}
- if (filp->f_op->open) {
- lock_kernel();
+ if (filp->f_op->open)
ret = filp->f_op->open(inode,filp);
- unlock_kernel();
- }
if (ret)
cdev_put(p);
return ret;