be2net: Fix a bug in preparation of mcc wrb which was causing flash operation to fail

This patch fixes a bug that got introduced in commit 76998bc7.
During preparation of mcc wrb, req was being wrongly overwritten
and the flash operation was failing.
Signed-off-by: NAjit Khaparde <ajitk@serverengines.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/benet/be_cmds.c

@@ -1129,7 +1129,6 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
 	spin_lock_bh(&adapter->mcc_lock);
 
 	wrb = wrb_from_mccq(adapter);
-	req = embedded_payload(wrb);
 	sge = nonembedded_sgl(wrb);
 
 	be_wrb_hdr_prepare(wrb, cmd->size, false, 1);