diff options
| -rw-r--r-- | drivers/net/ehea/ehea_main.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index c765ec609462..b70c5314f537 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -219,11 +219,9 @@ static void ehea_update_firmware_handles(void) } out_update: - mutex_lock(&ehea_fw_handles.lock); kfree(ehea_fw_handles.arr); ehea_fw_handles.arr = arr; ehea_fw_handles.num_entries = i; - mutex_unlock(&ehea_fw_handles.lock); } static void ehea_update_bcmc_registrations(void) @@ -295,11 +293,9 @@ static void ehea_update_bcmc_registrations(void) } out_update: - spin_lock(&ehea_bcmc_regs.lock); kfree(ehea_bcmc_regs.arr); ehea_bcmc_regs.arr = arr; ehea_bcmc_regs.num_entries = i; - spin_unlock(&ehea_bcmc_regs.lock); } static struct net_device_stats *ehea_get_stats(struct net_device *dev) @@ -1774,6 +1770,8 @@ static int ehea_set_mac_addr(struct net_device *dev, void *sa) memcpy(dev->dev_addr, mac_addr->sa_data, dev->addr_len); + spin_lock(&ehea_bcmc_regs.lock); + /* Deregister old MAC in pHYP */ if (port->state == EHEA_PORT_UP) { ret = ehea_broadcast_reg_helper(port, H_DEREG_BCMC); @@ -1794,6 +1792,7 @@ static int ehea_set_mac_addr(struct net_device *dev, void *sa) out_upregs: ehea_update_bcmc_registrations(); + spin_unlock(&ehea_bcmc_regs.lock); out_free: kfree(cb0); out: @@ -1955,6 +1954,8 @@ static void ehea_set_multicast_list(struct net_device *dev) } ehea_promiscuous(dev, 0); + spin_lock(&ehea_bcmc_regs.lock); + if (dev->flags & IFF_ALLMULTI) { ehea_allmulti(dev, 1); goto out; @@ -1984,6 +1985,7 @@ static void ehea_set_multicast_list(struct net_device *dev) } out: ehea_update_bcmc_registrations(); + spin_unlock(&ehea_bcmc_regs.lock); return; } @@ -2464,6 +2466,8 @@ static int ehea_up(struct net_device *dev) if (port->state == EHEA_PORT_UP) return 0; + mutex_lock(&ehea_fw_handles.lock); + ret = ehea_port_res_setup(port, port->num_def_qps, port->num_add_tx_qps); if (ret) { @@ -2500,6 +2504,8 @@ static int ehea_up(struct net_device *dev) } } + spin_lock(&ehea_bcmc_regs.lock); + ret = ehea_broadcast_reg_helper(port, H_REG_BCMC); if (ret) { ret = -EIO; @@ -2521,8 +2527,10 @@ out: ehea_info("Failed starting %s. ret=%i", dev->name, ret); ehea_update_bcmc_registrations(); + spin_unlock(&ehea_bcmc_regs.lock); ehea_update_firmware_handles(); + mutex_unlock(&ehea_fw_handles.lock); return ret; } @@ -2572,6 +2580,9 @@ static int ehea_down(struct net_device *dev) if (port->state == EHEA_PORT_DOWN) return 0; + mutex_lock(&ehea_fw_handles.lock); + + spin_lock(&ehea_bcmc_regs.lock); ehea_drop_multicast_list(dev); ehea_broadcast_reg_helper(port, H_DEREG_BCMC); @@ -2580,6 +2591,7 @@ static int ehea_down(struct net_device *dev) port->state = EHEA_PORT_DOWN; ehea_update_bcmc_registrations(); + spin_unlock(&ehea_bcmc_regs.lock); ret = ehea_clean_all_portres(port); if (ret) @@ -2587,6 +2599,7 @@ static int ehea_down(struct net_device *dev) dev->name, ret); ehea_update_firmware_handles(); + mutex_unlock(&ehea_fw_handles.lock); return ret; } @@ -3365,6 +3378,7 @@ static int __devinit ehea_probe_adapter(struct of_device *dev, ehea_error("Invalid ibmebus device probed"); return -EINVAL; } + mutex_lock(&ehea_fw_handles.lock); adapter = kzalloc(sizeof(*adapter), GFP_KERNEL); if (!adapter) { @@ -3448,6 +3462,7 @@ out_free_ad: out: ehea_update_firmware_handles(); + mutex_unlock(&ehea_fw_handles.lock); return ret; } @@ -3466,6 +3481,8 @@ static int __devexit ehea_remove(struct of_device *dev) flush_scheduled_work(); + mutex_lock(&ehea_fw_handles.lock); + ibmebus_free_irq(adapter->neq->attr.ist1, adapter); tasklet_kill(&adapter->neq_tasklet); @@ -3475,6 +3492,7 @@ static int __devexit ehea_remove(struct of_device *dev) kfree(adapter); ehea_update_firmware_handles(); + mutex_unlock(&ehea_fw_handles.lock); return 0; } |