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(parent: 8a412ed) | patch
can: dev: make can_change_state() robust to be called with cf == NULL
authorMarc Kleine-Budde <mkl@pengutronix.de>
Thu, 18 May 2017 08:22:22 +0000 (10:22 +0200)
committerMarc Kleine-Budde <mkl@pengutronix.de>
Fri, 9 Jun 2017 09:39:23 +0000 (11:39 +0200)
commitf52be54b7fd82e0dea324f95cfcfe296f9725fc8
treef90733085bb44784ab6d8175cd3830aad4e5d93ctree | snapshot
parent8a412ed9d6f462949d156e75c1de749bebb330eecommit | diff
can: dev: make can_change_state() robust to be called with cf == NULL

In OOM situations where no skb can be allocated, can_change_state() may
be called with cf == NULL. As this function updates the state and error
statistics it's not an option to skip the call to can_change_state() in
OOM situations.

This patch makes can_change_state() robust, so that it can be called
with cf == NULL.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
drivers/net/can/dev.c diff | blob | history
Linux Kernel Source Tree.