sky2: tx ring index mask fix



Mask for transmit ring status was picking up bits from the
unused sync ring.  They were always zero, so far...
Also, make sure to remind self not to make tx ring too big.

Signed-off-by: Stephen Hemminger <shemminger@osdl.org>

parent 1e5f1283

drivers/net/sky2.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -1927,7 +1927,8 @@ static int sky2_status_intr(struct sky2_hw *hw, int to_do)

		case OP_TXINDEXLE:
		/* TX index reports status for both ports */
		sky2_tx_done(hw->dev[0], status & 0xffff);
		BUILD_BUG_ON(TX_RING_SIZE > 0x1000);
		sky2_tx_done(hw->dev[0], status & 0xfff);
		if (hw->dev[1])
		sky2_tx_done(hw->dev[1],
		((status >> 24) & 0xff)