mirror of https://gitee.com/openkylin/linux.git
dvb: cdev lock_kernel() pushdown
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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20613f24bc
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5794e1b14b
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@ -32,6 +32,7 @@
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#include <linux/fs.h>
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#include <linux/cdev.h>
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#include <linux/mutex.h>
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#include <linux/smp_lock.h>
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#include "dvbdev.h"
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static int dvbdev_debug;
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@ -74,6 +75,7 @@ static int dvb_device_open(struct inode *inode, struct file *file)
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{
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struct dvb_device *dvbdev;
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lock_kernel();
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dvbdev = dvbdev_find_device (iminor(inode));
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if (dvbdev && dvbdev->fops) {
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@ -90,8 +92,10 @@ static int dvb_device_open(struct inode *inode, struct file *file)
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file->f_op = fops_get(old_fops);
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}
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fops_put(old_fops);
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unlock_kernel();
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return err;
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}
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unlock_kernel();
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return -ENODEV;
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}
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