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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>
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@ -394,11 +394,8 @@ static int chrdev_open(struct inode *inode, struct file *filp)
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cdev_put(p);
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return -ENXIO;
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}
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if (filp->f_op->open) {
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lock_kernel();
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if (filp->f_op->open)
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ret = filp->f_op->open(inode,filp);
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unlock_kernel();
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}
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if (ret)
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cdev_put(p);
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return ret;
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