Re: [PATCH 4.9 41/51] fib_rules: return 0 directly if an exactly same rule exists when NLM_F_EXCL not supplied

[Greg Kroah-Hartman]

On Mon, May 20, 2019 at 11:04:29AM +0200, Greg Kroah-Hartman wrote:
> On Sun, May 19, 2019 at 06:29:19PM -0600, David Ahern wrote:
> > On 5/19/19 9:43 AM, Nathan Chancellor wrote:
> > > Hi all,
> > > 
> > > This commit is causing issues on Android devices when Wi-Fi and mobile
> > > data are both enabled. The device will do a soft reboot consistently.
> > > So far, I've had reports on the Pixel 3 XL, OnePlus 6, Pocophone, and
> > > Note 9 and I can reproduce on my OnePlus 6.
> > > 
> > > Sorry for taking so long to report this, I just figured out how to
> > > reproduce it today and I didn't want to report it without that.
> > > 
> > > Attached is a full dmesg and the relevant snippet from Android's logcat.
> > > 
> > > Let me know what I can do to help debug,
> > > Nathan
> > > 
> > 
> > It's a backport problem. err needs to be reset to 0 before the goto.
> 
> Ah, I see it, let me go queue up a fix for this.

Here's the fix I'm queueing up now: