From e09b41010ba33a20a87472ee821fa407a5b8da36 Mon Sep 17 00:00:00 2001 From: José Pekkarinen Date: Mon, 11 Apr 2016 10:41:07 +0300 Subject: These changes are the raw update to linux-4.4.6-rt14. Kernel sources are taken from kernel.org, and rt patch from the rt wiki download page. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen --- kernel/drivers/usb/core/driver.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) (limited to 'kernel/drivers/usb/core/driver.c') diff --git a/kernel/drivers/usb/core/driver.c b/kernel/drivers/usb/core/driver.c index 818369aff..56593a9a8 100644 --- a/kernel/drivers/usb/core/driver.c +++ b/kernel/drivers/usb/core/driver.c @@ -160,6 +160,7 @@ static ssize_t remove_id_store(struct device_driver *driver, const char *buf, spin_lock(&usb_driver->dynids.lock); list_for_each_entry_safe(dynid, n, &usb_driver->dynids.list, node) { struct usb_device_id *id = &dynid->id; + if ((id->idVendor == idVendor) && (id->idProduct == idProduct)) { list_del(&dynid->node); @@ -295,6 +296,10 @@ static int usb_probe_interface(struct device *dev) if (udev->authorized == 0) { dev_err(&intf->dev, "Device is not authorized for usage\n"); return error; + } else if (intf->authorized == 0) { + dev_err(&intf->dev, "Interface %d is not authorized for usage\n", + intf->altsetting->desc.bInterfaceNumber); + return error; } id = usb_match_dynamic_id(intf, driver); @@ -416,12 +421,10 @@ static int usb_unbind_interface(struct device *dev) if (ep->streams == 0) continue; if (j == 0) { - eps = kmalloc(USB_MAXENDPOINTS * sizeof(void *), + eps = kmalloc_array(USB_MAXENDPOINTS, sizeof(void *), GFP_KERNEL); - if (!eps) { - dev_warn(dev, "oom, leaking streams\n"); + if (!eps) break; - } } eps[j++] = ep; } @@ -507,6 +510,10 @@ int usb_driver_claim_interface(struct usb_driver *driver, if (dev->driver) return -EBUSY; + /* reject claim if interface is not authorized */ + if (!iface->authorized) + return -ENODEV; + udev = interface_to_usbdev(iface); dev->driver = &driver->drvwrap.driver; -- cgit 1.2.3-korg