net: sh_eth: fix the rxdesc pointer when rx descriptor empty happens
authorYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Mon, 28 May 2012 23:07:55 +0000 (23:07 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 29 May 2012 21:30:08 +0000 (17:30 -0400)
When Receive Descriptor Empty happens, rxdesc pointer of the driver
and actual next descriptor of the controller may be mismatch.
This patch fixes it.

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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