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authorBrice Goglin <brice@myri.com>2007-03-07 21:59:52 +0300
committerJeff Garzik <jeff@garzik.org>2007-03-09 19:51:31 +0300
commit355c7265f4745a2aa6f0482d466e2271e6b3c61a (patch)
treeae8ac39636bb84d9a051b08ee5fd61697e625fe7 /drivers/net/myri10ge/myri10ge.c
parentb8d095d782fa1e97d5dc05c08ba32c8eb28b85e4 (diff)
downloadlinux-355c7265f4745a2aa6f0482d466e2271e6b3c61a.tar.xz
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>
Diffstat (limited to 'drivers/net/myri10ge/myri10ge.c')
-rw-r--r--drivers/net/myri10ge/myri10ge.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index b05dc6ed7fb7..db282ed9ab7d 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)