can: fix handling of unmodifiable configuration options fix

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commit bce271f255 upstream.

With upstream commit bb208f144c (can: fix handling of unmodifiable
configuration options) a new can_validate() function was introduced.

When invoking 'ip link set can0 type can' without any configuration data
can_validate() tries to validate the content without taking into account that
there's totally no content. This patch adds a check for missing content.

Reported-by: ajneu <ajneu1@gmail.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Oliver Hartkopp 2016-06-21 12:14:07 +02:00 • committed by Greg Kroah-Hartman

parent 1cee72ed48

commit 864844524e

1 changed files with 3 additions and 0 deletions

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drivers/net/can/dev.c

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