Re: Patch "PCI: endpoint: Fix kernel panic after put_device()" has been added to the 4.16-stable tree

[Greg KH <gregkh@linuxfoundation.org>]

On Wed, May 02, 2018 at 05:51:40PM +0200, Rolf Evers-Fischer wrote:
> 
> 
> On Wed, 2 May 2018, Greg KH wrote:
> 
> > On Wed, May 02, 2018 at 01:18:07PM +0200, Rolf Evers-Fischer wrote:
> > > On Wed, May 2, 2018 at 00:35 AM <gregkh@linuxfoundation.org> wrote:
> > > 
> > > > This is a note to let you know that I've just added the patch titled
> > > 
> > > >     PCI: endpoint: Fix kernel panic after put_device()
> > > 
> > > > to the 4.16-stable tree which can be found at:
> > >     
> > > > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
> > > 
> > > > The filename of the patch is:
> > > >      pci-endpoint-fix-kernel-panic-after-put_device.patch
> > > > and it can be found in the queue-4.16 subdirectory.
> > > 
> > > > If you, or anyone else, feels it should not be added to the stable tree,
> > > > please let <stable@vger.kernel.org> know about it.
> > > 
> > > This patch is the 2nd one of a series of patches. If you want to add it
> > > to the stable tree without the first patch, you must add a
> > > 
> > > +		kfree(func_name);
> > > 
> > > before returning from the function.
> > > 
> > > The upstream commit of the first patch is
> > > 36cc14ac14c0d49d33820a82dab52a7edc802fef PCI: endpoint: Simplify name 
> > > allocation for EPF device
> > 
> > Thanks for letting me know, I'll just drop this patch as without the
> > first one, this isn't needed and isn't an issue, right?
> > 
> > thanks,
> > 
> > greg k-h
> > 
> 
> It is still an issue (even without the first one!), but it will only occur 
> on PCI endpoints when setting the devicename or adding the device fails.
> Therefore I think you can drop this patch for the stable series.

Thanks for confirming this.

greg k-h