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myri10ge: fix error checking and return value in myri10ge_allocate_rings 

Fix a missing error check in myri10ge_allocate_rings() and set status
to -ENOMEM before all actual allocations so that the error path returns
what it should.

Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Brice Goglin 2007-03-07 19:59:52 +01:00 committed by Jeff Garzik
parent b8d095d782
commit 355c7265f4
1 changed files with 4 additions and 0 deletions
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4
drivers/net/myri10ge/myri10ge.c
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@ -1456,6 +1456,8 @@ static int myri10ge_allocate_rings(struct net_device *dev)
status = myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_SEND_RING_SIZE, &cmd, 0);
tx_ring_size = cmd.data0;
status |= myri10ge_send_cmd(mgp, MXGEFW_CMD_GET_RX_RING_SIZE, &cmd, 0);
if (status != 0)
return status;
rx_ring_size = cmd.data0;
tx_ring_entries = tx_ring_size / sizeof(struct mcp_kreq_ether_send);
@ -1463,6 +1465,8 @@ static int myri10ge_allocate_rings(struct net_device *dev)
mgp->tx.mask = tx_ring_entries - 1;
mgp->rx_small.mask = mgp->rx_big.mask = rx_ring_entries - 1;
status = -ENOMEM;
/* allocate the host shadow rings */
bytes = 8 + (MYRI10GE_MAX_SEND_DESC_TSO + 4)