This patch fixes (dereference after null check) coverity issue.
The address of first segmented packets was not set correctly during
reassembling packets which led to this issue.
Coverity issue: 343447
Fixes: 319c421f3890 ("net/avf: enable SSE Rx Tx")
Cc: stable@dpdk.org
Signed-off-by: Xiao Zhang <xiao.zhang@intel.com>
Acked-by: Xiaolong Ye <xiaolong.ye@intel.com>