[PATCH] iseries_veth: Only call dma_unmap_single() if dma_map_single() succeeded

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The iseries_veth driver unconditionally calls dma_unmap_single() even
when the corresponding dma_map_single() may have failed.

Rework the code a bit to keep the return value from dma_unmap_single()
around, and then check if it's a dma_mapping_error() before we do
the dma_unmap_single().

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>

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Michael Ellerman 2005-09-01 11:29:07 +10:00 • committed by Jeff Garzik

parent b08bd5c0a3

commit cbf9074cc3

1 changed files with 8 additions and 9 deletions

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drivers/net/iseries_veth.c

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