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staging: keucr: fix keucr lost disconnect

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keucr lost the disconnect,
so keucr crash when plug-in and then plug-out SD-card quickly.

unmark the part of usb disconnect

Signed-off-by: Al Cho <acho@novell.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Al Cho 2010-09-16 11:51:48 +08:00 committed by Greg Kroah-Hartman
parent b411f12174
commit a871869245
1 changed files with 11 additions and 12 deletions
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23
drivers/staging/keucr/usb.c
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@ -21,6 +21,8 @@ MODULE_AUTHOR("Domao");
MODULE_DESCRIPTION("ENE USB Mass Storage driver for Linux"); MODULE_DESCRIPTION("ENE USB Mass Storage driver for Linux");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
static unsigned int delay_use = 1;
static struct usb_device_id eucr_usb_ids [] = { static struct usb_device_id eucr_usb_ids [] = {
{ USB_DEVICE(0x058f, 0x6366) }, { USB_DEVICE(0x058f, 0x6366) },
{ USB_DEVICE(0x0cf2, 0x6230) }, { USB_DEVICE(0x0cf2, 0x6230) },
@ -181,11 +183,10 @@ static int usb_stor_control_thread(void * __us)
mutex_lock(&(us->dev_mutex)); mutex_lock(&(us->dev_mutex));
/* if the device has disconnected, we are free to exit */ /* if the device has disconnected, we are free to exit */
/* if (test_bit(US_FLIDX_DISCONNECTING, &us->flags)) if (test_bit(US_FLIDX_DISCONNECTING, &us->dflags)) {
{
mutex_unlock(&us->dev_mutex); mutex_unlock(&us->dev_mutex);
break; break;
}*/ }
/* lock access to the state */ /* lock access to the state */
scsi_lock(host); scsi_lock(host);
@ -551,15 +552,13 @@ static int usb_stor_scan_thread(void * __us)
printk("usb --- usb_stor_scan_thread\n"); printk("usb --- usb_stor_scan_thread\n");
printk("EUCR : device found at %d\n", us->pusb_dev->devnum); printk("EUCR : device found at %d\n", us->pusb_dev->devnum);
// Have we to add this code ? set_freezable();
// set_freezable(); /* Wait for the timeout to expire or for a disconnect */
// /* Wait for the timeout to expire or for a disconnect */ if (delay_use > 0) {
// if (delay_use > 0) wait_event_freezable_timeout(us->delay_wait,
// { test_bit(US_FLIDX_DONT_SCAN, &us->dflags),
// wait_event_freezable_timeout(us->delay_wait, delay_use * HZ);
// test_bit(US_FLIDX_DONT_SCAN, &us->dflags), }
// delay_use * HZ);
// }
/* If the device is still connected, perform the scanning */ /* If the device is still connected, perform the scanning */
if (!test_bit(US_FLIDX_DONT_SCAN, &us->dflags)) if (!test_bit(US_FLIDX_DONT_SCAN, &us->dflags))