linux-kernel - Re: [PATCH 178/190] Revert "net: netxen: fix a missing check and an uninitialized use"

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Message-ID: <YIgTlJmdw8MnhTlo@kroah.com>
Date:   Tue, 27 Apr 2021 15:37:24 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Kangjie Lu <kjlu@....edu>, "David S . Miller" <davem@...emloft.net>
Subject: Re: [PATCH 178/190] Revert "net: netxen: fix a missing check and an
 uninitialized use"

On Wed, Apr 21, 2021 at 03:00:53PM +0200, Greg Kroah-Hartman wrote:
> This reverts commit d134e486e831defd26130770181f01dfc6195f7d.
> 
> 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@....edu>
> Cc: David S. Miller <davem@...emloft.net>
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> ---
>  drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
> index 08f9477d2ee8..32b9e28dda16 100644
> --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
> +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_init.c
> @@ -1107,8 +1107,7 @@ netxen_validate_firmware(struct netxen_adapter *adapter)
>  		return -EINVAL;
>  	}
>  	val = nx_get_bios_version(adapter);
> -	if (netxen_rom_fast_read(adapter, NX_BIOS_VERSION_OFFSET, (int *)&bios))
> -		return -EIO;
> +	netxen_rom_fast_read(adapter, NX_BIOS_VERSION_OFFSET, (int *)&bios);
>  	if ((__force u32)val != bios) {
>  		dev_err(&pdev->dev, "%s: firmware bios is incompatible\n",
>  				fw_name[fw_type]);
> -- 
> 2.31.1
> 

This change, while messy and could be better, is semi-sane so I'll drop
it from my series.

thanks,

greg k-h