net/sonic: Remove redundant next_tx variable

The eol_tx variable is the one that matters to the tx algorithm because
packets are always placed at the end of the list. The next_tx variable
just confuses things so remove it.

Tested-by: Stan Johnson <userm57@yahoo.com>
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2 files changed