Re: [PATCH] usb: host: ehci-sched: avoid possible NULL dereference

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On Mon, Oct 05, 2020 at 11:19:02PM +0000, Harley A.W. Lorenzo wrote:
> On Monday, October 5, 2020 5:31 PM, Sudip Mukherjee <sudipm.mukherjee@xxxxxxxxx> wrote:
> 
> > find_tt() can return NULL or the error value in ERR_PTR() and
> > dereferencing the return value without checking for the error can
> > lead to a possible dereference of NULL pointer or ERR_PTR().
> 
> Looks fine to me. There is in fact no checks of the return value
> before a dereference here, and this solves that.
> 
> Reviewed-by: Harley A.W. Lorenzo <hl1998@xxxxxxxxxxxxxx

Nit, in the future, you need the trailing '>' there.

thanks,

greg k-h



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