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Groups > linux.kernel > #1336553
| From | Dave Penkler <dpenkler@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] usb: usbtmc: Fix disconnect/poll interaction |
| Date | 2016-02-17 17:20 +0100 |
| Message-ID | <r3cZB-oW-9@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
When the device is disconnected poll waiters were not being woken. Fixes issue in commit eb6b92ecc0f9412623ab1584ddd8389b371638d4 reported by Oliver Neukum Signed-off-by: Dave Penkler <dpenkler@gmail.com> --- drivers/usb/class/usbtmc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 419c72e..917a55c 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -1525,13 +1525,14 @@ static void usbtmc_disconnect(struct usb_interface *intf) dev_dbg(&intf->dev, "usbtmc_disconnect called\n"); data = usb_get_intfdata(intf); - usbtmc_free_int(data); usb_deregister_dev(intf, &usbtmc_class); sysfs_remove_group(&intf->dev.kobj, &capability_attr_grp); sysfs_remove_group(&intf->dev.kobj, &data_attr_grp); mutex_lock(&data->io_mutex); data->zombie = 1; + wake_up_all(&data->waitq); mutex_unlock(&data->io_mutex); + usbtmc_free_int(data); kref_put(&data->kref, usbtmc_delete); } -- 2.6.3
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[PATCH] usb: usbtmc: Fix disconnect/poll interaction Dave Penkler <dpenkler@gmail.com> - 2016-02-17 17:20 +0100 Re: [PATCH] usb: usbtmc: Fix disconnect/poll interaction Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-02-17 19:50 +0100
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