forked from luck/tmp_suning_uos_patched
USB: BKL removal: ftdi-elan
BKL was not needed at all. Removed without replacement. Signed-off-by: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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parent
937f7131d7
commit
92846fbb86
@ -45,7 +45,6 @@
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#include <linux/module.h>
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#include <linux/kref.h>
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#include <linux/mutex.h>
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#include <linux/smp_lock.h>
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#include <asm/uaccess.h>
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#include <linux/usb.h>
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#include <linux/workqueue.h>
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@ -627,27 +626,22 @@ static int ftdi_elan_open(struct inode *inode, struct file *file)
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int subminor;
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struct usb_interface *interface;
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lock_kernel();
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subminor = iminor(inode);
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interface = usb_find_interface(&ftdi_elan_driver, subminor);
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if (!interface) {
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unlock_kernel();
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printk(KERN_ERR "can't find device for minor %d\n", subminor);
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return -ENODEV;
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} else {
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struct usb_ftdi *ftdi = usb_get_intfdata(interface);
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if (!ftdi) {
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unlock_kernel();
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return -ENODEV;
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} else {
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if (down_interruptible(&ftdi->sw_lock)) {
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unlock_kernel();
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return -EINTR;
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} else {
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ftdi_elan_get_kref(ftdi);
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file->private_data = ftdi;
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unlock_kernel();
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return 0;
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}
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}
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