| Message ID | 1307597376-5379-4-git-send-email-mchan@broadcom.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: "Michael Chan" <mchan@broadcom.com> Date: Wed, 8 Jun 2011 22:29:35 -0700 > During NETDEV_UP, we use symbol_get() to get the net driver's cnic > probe function. This sometimes doesn't work if NETDEV_UP happens > right after NETDEV_REGISTER and the net driver is still running module > init code. As a result, the cnic device may not be discovered. We > fix this by probing on all NETDEV events if the device's netif_running > state is up. > > Signed-off-by: Michael Chan <mchan@broadcom.com> Applied. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c index a529bde..6c544b3 100644 --- a/drivers/net/cnic.c +++ b/drivers/net/cnic.c @@ -5342,7 +5342,7 @@ static int cnic_netdev_event(struct notifier_block *this, unsigned long event, dev = cnic_from_netdev(netdev); - if (!dev && (event == NETDEV_REGISTER || event == NETDEV_UP)) { + if (!dev && (event == NETDEV_REGISTER || netif_running(netdev))) { /* Check for the hot-plug device */ dev = is_cnic_dev(netdev); if (dev) { @@ -5358,7 +5358,7 @@ static int cnic_netdev_event(struct notifier_block *this, unsigned long event, else if (event == NETDEV_UNREGISTER) cnic_ulp_exit(dev); - if (event == NETDEV_UP) { + if (event == NETDEV_UP || (new_dev && netif_running(netdev))) { if (cnic_register_netdev(dev) != 0) { cnic_put(dev); goto done;
During NETDEV_UP, we use symbol_get() to get the net driver's cnic probe function. This sometimes doesn't work if NETDEV_UP happens right after NETDEV_REGISTER and the net driver is still running module init code. As a result, the cnic device may not be discovered. We fix this by probing on all NETDEV events if the device's netif_running state is up. Signed-off-by: Michael Chan <mchan@broadcom.com> --- drivers/net/cnic.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)