forked from luck/tmp_suning_uos_patched
[PATCH] ibmveth fix failed addbuf
This patch fixes a bug that happens when the hypervisor can't add a buffer. The old code wrote IBM_VETH_INVALID_MAP into the free_map array, so next time the index was used, a ibmveth_assert() caught it and called BUG(). The patch writes the right value into the free_map array so that the index can be reused. Signed-off-by: Santiago Leon <santil@us.ibm.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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@ -237,7 +237,7 @@ static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, struc
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lpar_rc = h_add_logical_lan_buffer(adapter->vdev->unit_address, desc.desc);
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if(lpar_rc != H_Success) {
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pool->free_map[free_index] = IBM_VETH_INVALID_MAP;
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pool->free_map[free_index] = index;
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pool->skbuff[index] = NULL;
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pool->consumer_index--;
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dma_unmap_single(&adapter->vdev->dev,
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