Re: [PATCH] USB: core: of: Check device_node before parsing in usb_of_get_child_node()

2016-08-16 Thread Vaibhav Hiremath
On Monday 15 August 2016 06:33 PM, Peter Chen wrote: On Mon, Aug 15, 2016 at 11:31:10AM -0700, Vaibhav Hiremath wrote: In case of HUB devices connected to USB ports, we may not have DT node representing it inside USB, and when devices connected to hub gets enumerated, call to

Re: [PATCH] USB: core: of: Check device_node before parsing in usb_of_get_child_node()

2016-08-16 Thread Vaibhav Hiremath
On Monday 15 August 2016 06:33 PM, Peter Chen wrote: On Mon, Aug 15, 2016 at 11:31:10AM -0700, Vaibhav Hiremath wrote: In case of HUB devices connected to USB ports, we may not have DT node representing it inside USB, and when devices connected to hub gets enumerated, call to

Re: [PATCH] USB: core: of: Check device_node before parsing in usb_of_get_child_node()

2016-08-15 Thread Peter Chen
On Mon, Aug 15, 2016 at 11:31:10AM -0700, Vaibhav Hiremath wrote: > In case of HUB devices connected to USB ports, we may not have DT > node representing it inside USB, and when devices connected to hub > gets enumerated, call to usb_of_get_child_node() leads to NULL pointer > dereference. > > In

Re: [PATCH] USB: core: of: Check device_node before parsing in usb_of_get_child_node()

2016-08-15 Thread Peter Chen
On Mon, Aug 15, 2016 at 11:31:10AM -0700, Vaibhav Hiremath wrote: > In case of HUB devices connected to USB ports, we may not have DT > node representing it inside USB, and when devices connected to hub > gets enumerated, call to usb_of_get_child_node() leads to NULL pointer > dereference. > > In

Re: [PATCH] USB: core: of: Check device_node before parsing in usb_of_get_child_node()

2016-08-15 Thread Alan Stern
On Mon, 15 Aug 2016, Greg KH wrote: > On Mon, Aug 15, 2016 at 11:31:10AM -0700, Vaibhav Hiremath wrote: > > In case of HUB devices connected to USB ports, we may not have DT > > node representing it inside USB, and when devices connected to hub > > gets enumerated, call to usb_of_get_child_node()

Re: [PATCH] USB: core: of: Check device_node before parsing in usb_of_get_child_node()

2016-08-15 Thread Alan Stern
On Mon, 15 Aug 2016, Greg KH wrote: > On Mon, Aug 15, 2016 at 11:31:10AM -0700, Vaibhav Hiremath wrote: > > In case of HUB devices connected to USB ports, we may not have DT > > node representing it inside USB, and when devices connected to hub > > gets enumerated, call to usb_of_get_child_node()

Re: [PATCH] USB: core: of: Check device_node before parsing in usb_of_get_child_node()

2016-08-15 Thread Vaibhav Hiremath
On Monday 15 August 2016 11:41 AM, Greg KH wrote: On Mon, Aug 15, 2016 at 11:31:10AM -0700, Vaibhav Hiremath wrote: In case of HUB devices connected to USB ports, we may not have DT node representing it inside USB, and when devices connected to hub gets enumerated, call to

Re: [PATCH] USB: core: of: Check device_node before parsing in usb_of_get_child_node()

2016-08-15 Thread Vaibhav Hiremath
On Monday 15 August 2016 11:41 AM, Greg KH wrote: On Mon, Aug 15, 2016 at 11:31:10AM -0700, Vaibhav Hiremath wrote: In case of HUB devices connected to USB ports, we may not have DT node representing it inside USB, and when devices connected to hub gets enumerated, call to

Re: [PATCH] USB: core: of: Check device_node before parsing in usb_of_get_child_node()

2016-08-15 Thread Greg KH
On Mon, Aug 15, 2016 at 11:31:10AM -0700, Vaibhav Hiremath wrote: > In case of HUB devices connected to USB ports, we may not have DT > node representing it inside USB, and when devices connected to hub > gets enumerated, call to usb_of_get_child_node() leads to NULL pointer > dereference.

Re: [PATCH] USB: core: of: Check device_node before parsing in usb_of_get_child_node()

2016-08-15 Thread Greg KH
On Mon, Aug 15, 2016 at 11:31:10AM -0700, Vaibhav Hiremath wrote: > In case of HUB devices connected to USB ports, we may not have DT > node representing it inside USB, and when devices connected to hub > gets enumerated, call to usb_of_get_child_node() leads to NULL pointer > dereference.