diff options
| author | Thomas de Grenier de Latour <degrenier@easyconnect.fr> | 2006-04-19 10:22:39 +0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-04-24 09:56:03 -0700 |
| commit | 9bab38e4ffd67ba44073f8074318e32309f4debd (patch) | |
| tree | 1b329a076c30f20f1595c9649f60ed27eba94d38 | |
| parent | 5d0b6f2bdaf7e016e750cd24164a241512d968a3 (diff) | |
[PATCH] Fix hotplug race during device registration
On Sun, 9 Apr 2006 21:56:59 +0400,
Sergey Vlasov <vsu@altlinux.ru> wrote:
> However, show_address() does not output anything unless
> dev->reg_state == NETREG_REGISTERED - and this state is set by
> netdev_run_todo() only after netdev_register_sysfs() returns, so in
> the meantime (while netdev_register_sysfs() is busy adding the
> "statistics" attribute group) some process may see an empty "address"
> attribute.
I've tried the attached patch, suggested by Sergey Vlasov on
hotplug-devel@, and as far as i can test it works just fine.
Signed-off-by: Alexander Patrakov <patrakov@ums.usu.ru>
Signed-off-by: David Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | net/core/dev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 2afb0de95329..12a214c4e801 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2932,11 +2932,11 @@ void netdev_run_todo(void) switch(dev->reg_state) { case NETREG_REGISTERING: + dev->reg_state = NETREG_REGISTERED; err = netdev_register_sysfs(dev); if (err) printk(KERN_ERR "%s: failed sysfs registration (%d)\n", dev->name, err); - dev->reg_state = NETREG_REGISTERED; break; case NETREG_UNREGISTERING: |