From: Brice Goglin Date: Wed, 7 Mar 2007 18:59:52 +0000 (+0100) Subject: myri10ge: fix error checking and return value in myri10ge_allocate_rings X-Git-Tag: v2.6.21-rc4~70^2~11 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=355c7265f4745a2aa6f0482d466e2271e6b3c61a;p=linux-2.6 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 Signed-off-by: Jeff Garzik --- diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index b05dc6ed7f..db282ed9ab 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -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)