Navdeep Parhar 368541ba1e cxgbe(4): Fix a NULL dereference when the very first call to
get_scatter_segment() in get_fl_payload() fails.  While here,
fix the code to adjust fl_bufs_used when a failure occurs for
any other scatter segment.

MFC after:	3 days
2014-05-30 22:59:45 +00:00
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