Re: [PATCH 170/190] Revert "net: dsa: bcm_sf2: Propagate error value from mdio_write"

[Florian Fainelli]

On 4/21/2021 6:00 AM, Greg Kroah-Hartman wrote:
> This reverts commit e49505f7255be8ced695919c08a29bf2c3d79616.
> 
> Commits from @umn.edu addresses have been found to be submitted in "bad
> faith" to try to test the kernel community's ability to review "known
> malicious" changes.  The result of these submissions can be found in a
> paper published at the 42nd IEEE Symposium on Security and Privacy
> entitled, "Open Source Insecurity: Stealthily Introducing
> Vulnerabilities via Hypocrite Commits" written by Qiushi Wu (University
> of Minnesota) and Kangjie Lu (University of Minnesota).
> 
> Because of this, all submissions from this group must be reverted from
> the kernel tree and will need to be re-reviewed again to determine if
> they actually are a valid fix.  Until that work is complete, remove this
> change to ensure that no problems are being introduced into the
> codebase.
> 
> Cc: Kangjie Lu <kjlu@xxxxxxx>
> Cc: David S. Miller <davem@xxxxxxxxxxxxx>
> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

While this commit does not fix a known problem, the driver should have
arguably propagated the return values and it did not, so I would be
inclined to keep it.
-- 
Florian