linux-kernel - Re: [PATCH 046/190] Revert "net/mlx4

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Message-ID: <YJfEH3Etcxk+e5yC@kroah.com>
Date:   Sun, 9 May 2021 13:14:39 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Tariq Toukan <ttoukan.linux@...il.com>
Cc:     linux-kernel@...r.kernel.org, Qiushi Wu <wu000273@....edu>,
        "David S . Miller" <davem@...emloft.net>
Subject: Re: [PATCH 046/190] Revert "net/mlx4_core: fix a memory leak bug."

On Sun, May 09, 2021 at 01:19:37PM +0300, Tariq Toukan wrote:
> 
> 
> On 4/27/2021 4:00 PM, Greg Kroah-Hartman wrote:
> > On Mon, Apr 26, 2021 at 02:18:37PM +0300, Tariq Toukan wrote:
> > > 
> > > 
> > > On 4/21/2021 3:58 PM, Greg Kroah-Hartman wrote:
> > > > This reverts commit febfd9d3c7f74063e8e630b15413ca91b567f963.
> > > > 
> > > > 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: Qiushi Wu <wu000273@....edu>
> > > > Cc: David S. Miller <davem@...emloft.net>
> > > > Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> > > > ---
> > > >    drivers/net/ethernet/mellanox/mlx4/fw.c | 2 +-
> > > >    1 file changed, 1 insertion(+), 1 deletion(-)
> > > > 
> > > > diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c
> > > > index f6cfec81ccc3..380e027ba5df 100644
> > > > --- a/drivers/net/ethernet/mellanox/mlx4/fw.c
> > > > +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c
> > > > @@ -2734,7 +2734,7 @@ void mlx4_opreq_action(struct work_struct *work)
> > > >    		if (err) {
> > > >    			mlx4_err(dev, "Failed to retrieve required operation: %d\n",
> > > >    				 err);
> > > > -			goto out;
> > > > +			return;
> > > >    		}
> > > >    		MLX4_GET(modifier, outbox, GET_OP_REQ_MODIFIER_OFFSET);
> > > >    		MLX4_GET(token, outbox, GET_OP_REQ_TOKEN_OFFSET);
> > > > 
> > > 
> > > Reviewed-by: Tariq Toukan <tariqt@...dia.com>
> > > 
> > > The original commit febfd9d3c7f74063e8e630b15413ca91b567f963 is a bad
> > > commit. Not to be re-submitted.
> > 
> > Thanks for the review, will keep!
> > 
> > greg k-h
> > 
> 
> Hi Greg,
> 
> I got confused with another error handling code in same function.
> 
> After a second look, original commit
> febfd9d3c7f74063e8e630b15413ca91b567f963 looks fine to me.

Thanks for the information, and the re-review.

greg k-h