Techwizz/kernel-fxtec-pro1x
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Remove the lock_kernel() call from chrdev_open()

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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>
This commit is contained in:
Jonathan Corbet 2008-05-18 15:40:00 -06:00
parent a30427d92d
commit 9514dff918
1 changed files with 1 additions and 4 deletions
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5
fs/char_dev.c
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@ -394,11 +394,8 @@ static int chrdev_open(struct inode *inode, struct file *filp)
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;