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qlcnic: Skip unknown entry type while collecting firmware dump

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o Driver aborts the minidump collection operation when it finds
  an unknown entry opcode. This patch skips unknown entry type
  and resumes the minidump collection operation.
o Removed a comparision of collected dump size with expected dump size.
  Size may differ when driver decides to skip an entry.

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shahed Shaikh 2013-10-18 12:22:34 -04:00 committed by David S. Miller
parent 1de899d381
commit 60d3c47310
1 changed files with 19 additions and 22 deletions
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41
drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c
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@ -1187,41 +1187,38 @@ int qlcnic_dump_fw(struct qlcnic_adapter *adapter)
}
if (ops_index == ops_cnt) {
dev_info(&adapter->pdev->dev,
"Invalid entry type %d, exiting dump\n",
dev_info(dev, "Skipping unknown entry opcode %d\n",
entry->hdr.type);
goto error;
entry->hdr.flags |= QLCNIC_DUMP_SKIP;
entry_offset += entry->hdr.offset;
continue;
}
/* Collect dump for this entry */
dump = fw_dump_ops[ops_index].handler(adapter, entry, buffer);
if (!qlcnic_valid_dump_entry(&adapter->pdev->dev, entry, dump))
if (!qlcnic_valid_dump_entry(dev, entry, dump)) {
entry->hdr.flags |= QLCNIC_DUMP_SKIP;
entry_offset += entry->hdr.offset;
continue;
}
buf_offset += entry->hdr.cap_size;
entry_offset += entry->hdr.offset;
buffer = fw_dump->data + buf_offset;
}
if (dump_size != buf_offset) {
dev_info(&adapter->pdev->dev,
"Captured(%d) and expected size(%d) do not match\n",
buf_offset, dump_size);
goto error;
} else {
fw_dump->clr = 1;
snprintf(mesg, sizeof(mesg), "FW_DUMP=%s",
adapter->netdev->name);
dev_info(&adapter->pdev->dev, "%s: Dump data, %d bytes captured\n",
adapter->netdev->name, fw_dump->size);
/* Send a udev event to notify availability of FW dump */
kobject_uevent_env(&adapter->pdev->dev.kobj, KOBJ_CHANGE, msg);
return 0;
}
error:
fw_dump->clr = 1;
snprintf(mesg, sizeof(mesg), "FW_DUMP=%s", adapter->netdev->name);
dev_info(dev, "%s: Dump data %d bytes captured, template header size %d bytes\n",
adapter->netdev->name, fw_dump->size, tmpl_hdr->size);
/* Send a udev event to notify availability of FW dump */
kobject_uevent_env(&dev->kobj, KOBJ_CHANGE, msg);
if (fw_dump->use_pex_dma)
dma_free_coherent(dev, QLC_PEX_DMA_READ_SIZE,
fw_dump->dma_buffer, fw_dump->phys_addr);
vfree(fw_dump->data);
return -EINVAL;
return 0;
}
void qlcnic_83xx_get_minidump_template(struct qlcnic_adapter *adapter)