On 2014-06-18 18:12, Kristian Evensen wrote: > From: Kristian Evensen <kristian.even...@gmail.com> > > Hello, > > I have written a small tool which automatically adds/removes a usb LAN dongle > from uci. When the USB device is inserted, I add entries to UCI (using libuci) > and do network reload (using libubus). When the device is removed, I remove > the > UCI-entries and do reload again. > > This all works fine. However, when I connect the device a second time, netifd > crashes with a seg. fault. The problem seems to be that the reference counter > is > not reduced properly when device remove, and device is not properly removed > from > internal data structures. > > The missing reference counter update seems to be in device_release(). After > adding a call to device_remove_user() here, the reference counter is correct, > device is correctly removed and netifd is stable. I have also tested by > adding/removing other types of network devices, and netifd seems to work fine. > > However, I am not familiar enough with the internal architecture of netifd to > know if this is a correct fix or just a dirty hack. If this is a hack, does > anyone have any feedback or hints to how I can properly solve this issue? Please test the latest version and check if that hack is still necessary.
Thanks, - Felix _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
