[OpenWrt-Devel] [PATCH netifd 1/6] device: Resolve ifindex for external claimed devices
Hans Dedecker
dedeckeh at gmail.com
Wed Sep 9 09:45:47 EDT 2015
Fixes regression issues introduced by commit 3224b80 as external (PPP)
device ifindex was not in sync with kernel device ifindex due to re-creation
of the device by the PPP daemon
Signed-off-by: Hans Dedecker <dedeckeh at gmail.com>
---
device.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/device.c b/device.c
index 21b436f..a29c981 100644
--- a/device.c
+++ b/device.c
@@ -74,15 +74,14 @@ void device_unlock(void)
static int set_device_state(struct device *dev, bool state)
{
if (state) {
- /* Set ifindex for all devices being enabled so a valid */
+ /* Get ifindex for all devices being enabled so a valid */
/* ifindex is in place avoiding possible race conditions */
device_set_ifindex(dev, system_if_resolve(dev));
if (!dev->ifindex)
return -1;
- }
- if (state)
system_if_up(dev);
+ }
else
system_if_down(dev);
@@ -332,7 +331,13 @@ int device_claim(struct device_user *dep)
return 0;
device_broadcast_event(dev, DEV_EVENT_SETUP);
- if (!dev->external)
+ if (dev->external) {
+ /* Get ifindex for external claimed devices so a valid */
+ /* ifindex is in place avoiding possible race conditions */
+ device_set_ifindex(dev, system_if_resolve(dev));
+ if (!dev->ifindex)
+ ret = -1;
+ } else
ret = dev->set_state(dev, true);
if (ret == 0)
--
1.9.1
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