Re: sky2: in free_buffers() do proper checks before call ofrx_clean()

[David Miller]

From: Lino Sanfilippo <LinoSanfilippo@xxxxxx>
Date: Tue, 3 Apr 2012 02:13:27 +0200

> In sky2_open() free_buffers() is called in case that alloc_buffers() failed.
> Here we do the check for sky2->rx_le too late, since we already called
> rx_clean() which accessed rx_le. Furthermore we lack a check for sky2->rx_ring
> which is also accessed by rx_clean().
> 
> With this patch both sky2->rx_le and sky2->rx_ring are checked before
> alloc_buffers() is called.
> 
> Signed-off-by: Lino Sanfilippo <LinoSanfilippo@xxxxxx>

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