Remove unnecessary casts from PCI DMA code in rtl8139
This patch removes some unnecessary casts in the rtl8139 device, introduced by commit 3ada003a 'rtl8139: Use PCI DMA stub functions'. Signed-off-by: NDavid Gibson <david@gibson.dropbear.id.au> Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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