diff options
Diffstat (limited to 'drivers/net/s2io.c')
| -rw-r--r-- | drivers/net/s2io.c | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 632666706247..d5113dd712c2 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -1081,7 +1081,7 @@ static int init_nic(struct s2io_nic *nic) /* to set the swapper controle on the card */ if(s2io_set_swapper(nic)) { DBG_PRINT(ERR_DBG,"ERROR: Setting Swapper failed\n"); - return -1; + return -EIO; } /* @@ -1503,7 +1503,7 @@ static int init_nic(struct s2io_nic *nic) DBG_PRINT(ERR_DBG, "%s: failed rts ds steering", dev->name); DBG_PRINT(ERR_DBG, "set on codepoint %d\n", i); - return FAILURE; + return -ENODEV; } } @@ -1570,7 +1570,7 @@ static int init_nic(struct s2io_nic *nic) if (time > 10) { DBG_PRINT(ERR_DBG, "%s: TTI init Failed\n", dev->name); - return -1; + return -ENODEV; } msleep(50); time++; @@ -1623,7 +1623,7 @@ static int init_nic(struct s2io_nic *nic) if (time > 10) { DBG_PRINT(ERR_DBG, "%s: RTI init Failed\n", dev->name); - return -1; + return -ENODEV; } time++; msleep(50); @@ -3914,6 +3914,12 @@ static int s2io_close(struct net_device *dev) { struct s2io_nic *sp = dev->priv; + /* Return if the device is already closed * + * Can happen when s2io_card_up failed in change_mtu * + */ + if (!is_s2io_card_up(sp)) + return 0; + netif_stop_queue(dev); napi_disable(&sp->napi); /* Reset card, kill tasklet and free Tx and Rx buffers. */ @@ -6355,6 +6361,7 @@ static int s2io_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) static int s2io_change_mtu(struct net_device *dev, int new_mtu) { struct s2io_nic *sp = dev->priv; + int ret = 0; if ((new_mtu < MIN_MTU) || (new_mtu > S2IO_JUMBO_SIZE)) { DBG_PRINT(ERR_DBG, "%s: MTU size is invalid.\n", @@ -6366,9 +6373,11 @@ static int s2io_change_mtu(struct net_device *dev, int new_mtu) if (netif_running(dev)) { s2io_card_down(sp); netif_stop_queue(dev); - if (s2io_card_up(sp)) { + ret = s2io_card_up(sp); + if (ret) { DBG_PRINT(ERR_DBG, "%s: Device bring up failed\n", __FUNCTION__); + return ret; } if (netif_queue_stopped(dev)) netif_wake_queue(dev); @@ -6379,7 +6388,7 @@ static int s2io_change_mtu(struct net_device *dev, int new_mtu) writeq(vBIT(val64, 2, 14), &bar0->rmac_max_pyld_len); } - return 0; + return ret; } /** @@ -6777,6 +6786,9 @@ static void do_s2io_card_down(struct s2io_nic * sp, int do_io) unsigned long flags; register u64 val64 = 0; + if (!is_s2io_card_up(sp)) + return; + del_timer_sync(&sp->alarm_timer); /* If s2io_set_link task is executing, wait till it completes. */ while (test_and_set_bit(__S2IO_STATE_LINK_TASK, &(sp->state))) { @@ -6850,11 +6862,13 @@ static int s2io_card_up(struct s2io_nic * sp) u16 interruptible; /* Initialize the H/W I/O registers */ - if (init_nic(sp) != 0) { + ret = init_nic(sp); + if (ret != 0) { DBG_PRINT(ERR_DBG, "%s: H/W initialization failed\n", dev->name); - s2io_reset(sp); - return -ENODEV; + if (ret != -EIO) + s2io_reset(sp); + return ret; } /* |