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Petr Machata 40c900aa1f net: core: dev: Attach extack to NETDEV_PRE_UP
Drivers may need to validate configuration of a device that's about to
be upped. Should the validation fail, there's currently no way to
communicate details of the failure to the user, beyond an error number.

To mend that, change __dev_open() to take an extack argument and pass it
from __dev_change_flags() and dev_open(), where it was propagated in the
previous patches.

Change __dev_open() to call call_netdevice_notifiers_extack() so that
the passed-in extack is attached to the NETDEV_PRE_UP notifier.

Signed-off-by: Petr Machata <petrm@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-12-06 13:26:07 -08:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-11-28 22:10:54 -08:00
block
certs
crypto
Documentation net: documentation: build a directory structure for drivers 2018-12-05 11:30:06 -08:00
drivers net: core: dev: Add extack argument to dev_change_flags() 2018-12-06 13:26:07 -08:00
firmware
fs
include net: core: dev: Add extack argument to __dev_change_flags() 2018-12-06 13:26:07 -08:00
init
ipc
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-11-29 18:15:07 -08:00
lib wireless-drivers-next patches for 4.21 2018-12-03 15:44:27 -08:00
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net net: core: dev: Attach extack to NETDEV_PRE_UP 2018-12-06 13:26:07 -08:00
samples
scripts
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tools selftests: mlxsw: Add one-armed router test 2018-12-04 08:36:36 -08:00
usr
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MAINTAINERS net: documentation: build a directory structure for drivers 2018-12-05 11:30:06 -08:00
Makefile
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.