Re: [PATCH 1/2] usb: musb: host: fix potential NULL pointer dereference

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On Mon, Apr 30, 2018 at 11:20:53AM -0500, Bin Liu wrote:
> musb_start_urb() doesn't check the pass-in parameter if it is NULL.  But
> in musb_bulk_nak_timeout() the parameter passed to musb_start_urb() is
> returned from first_qh(), which could be NULL.
> 
> So wrap the musb_start_urb() call here with a if condition check to
> avoid the potential NULL pointer dereference.
> 
> Fixes: f283862f3b5cb("usb: musb: NAK timeout scheme on bulk TX endpoint")

Nit, you forgot a ' ', this should be:
	f283862f3b5c ("usb: musb: NAK timeout scheme on bulk TX endpoint")

You also had one extra id value in there, odd.  I'll edit this by
hand...

greg k-h



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