Builder arm64/generic Build #311

Results:

Build successful

SourceStamp:

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Reason:

The SingleBranchScheduler scheduler named 'all' triggered this build

Steps and Logfiles:

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Build Properties:

Forced Build Properties:

Responsible Users:

1. Rafał Miłecki

   rafalohnoyoudont@milecki.pl

Timing:

All Changes:

:

1. Change #1019

   Category	None
   Changed by	Rafał Miłecki <rafalohnoyoudont@milecki.pl>
   Changed at	Wed 06 Mar 2019 05:12:39
   Repository	git@git.lede-project.org:source.git
   Branch	lede-17.01
   Revision	981f5f7e40cbf26bc0beb0a2aa5f3c562b83c85b

   Comments

   kernel: fix refcnt leak in LED netdev trigger on interface rename
   Renaming a netdev-trigger-tracked interface was resulting in an
   unbalanced dev_hold().
   
   Example:
   > iw phy phy0 interface add foo type __ap
   > echo netdev > trigger
   > echo foo > device_name
   > ip link set foo name bar
   > iw dev bar del
   [  237.355366] unregister_netdevice: waiting for bar to become free. Usage count = 1
   [  247.435362] unregister_netdevice: waiting for bar to become free. Usage count = 1
   [  257.545366] unregister_netdevice: waiting for bar to become free. Usage count = 1
   
   Above problem was caused by trigger checking a dev->name which obviously
   changes after renaming an interface. It meant missing all further events
   including the NETDEV_UNREGISTER which is required for calling dev_put().
   
   This change fixes that by:
   1) Comparing device struct *address* for notification-filtering purposes
   2) Dropping unneeded NETDEV_CHANGENAME code (no behavior change)
   
   Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
   (cherry picked from commit eea538204bb973d73d3bc3d38947d7f85214d486)

   Changed files

   • target/linux/generic/files/drivers/leds/ledtrig-netdev.c