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ixgbe: Fix ixgbe_tx_map error path

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Commit e5a43549f7 (ixgbe: remove
skb_dma_map/unmap calls from driver) looks to have introduced a bug in
ixgbe_tx_map. If we get an error from a PCI DMA call, we loop backwards
through count until it becomes -1 and return that.

The caller of ixgbe_tx_map expects 0 on error, so return that instead.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Anton Blanchard 2010-02-03 13:12:51 +00:00 committed by David S. Miller
parent e15eec2805
commit e44d38e1b7
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ixgbe/ixgbe_main.c
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@ -5179,7 +5179,7 @@ dma_error:
ixgbe_unmap_and_free_tx_resource(adapter, tx_buffer_info);
}
return count;
return 0;
}
static void ixgbe_tx_queue(struct ixgbe_adapter *adapter,