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From: Greg KH <gregkh@linuxfoundation.org>
To: Malcolm Priestley <tvboxspy@gmail.com>
Cc: stable@vger.kernel.org
Subject: Re: [PATCH] [BACKPORT FOR 4.4] staging: rtl8192e: rtl92e_fill_tx_desc fix write to mapped out memory.
Date: Thu, 15 Jun 2017 09:21:30 +0200	[thread overview]
Message-ID: <20170615072130.GD25693@kroah.com> (raw)
In-Reply-To: <20170613113802.3971-1-tvboxspy@gmail.com>

On Tue, Jun 13, 2017 at 12:38:02PM +0100, Malcolm Priestley wrote:
> The driver attempts to alter memory that is mapped to PCI device.
> 
> This is because tx_fwinfo_8190pci points to skb->data
> 
> Move the pci_map_single to when completed buffer is ready to be mapped with
> psdec is empty to drop on mapping error.
> 
> Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
> Cc: <stable@vger.kernel.org>
> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> 
> ---
> Commit baabd567f87be05330faa5140f72a91960e7405a upstream

Thanks for this.

> Commit 95d93e271d920dfda369d4740b1cc1061d41fe7f upstream is also required.

That one does not apply, can you provide a backport for it?

thanks,

greg k-h

  reply	other threads:[~2017-06-15  7:21 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-13 11:38 [PATCH] [BACKPORT FOR 4.4] staging: rtl8192e: rtl92e_fill_tx_desc fix write to mapped out memory Malcolm Priestley
2017-06-15  7:21 ` Greg KH [this message]
2017-06-15  9:25   ` Malcolm Priestley

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