summaryrefslogtreecommitdiff
path: root/drivers/net/can/dev.c
diff options
context:
space:
mode:
authorDmitry Torokhov <dmitry.torokhov@gmail.com>2017-07-24 16:51:18 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-07-24 16:51:18 -0700
commit53a7ff8fb785839b87f950fd85433d9c662fac89 (patch)
tree119840a23e5226d3f258e2309b4ef1d328535dd2 /drivers/net/can/dev.c
parent4323418d62fefe48ee5019f2c744c918be06ec69 (diff)
parent072a7852338af900c302490474939e089f4bd4c4 (diff)
Merge branch 'bind_unbind' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core into next
This brings in devm_device_add_group() and friends so that we can create driver-specific device attributes as managed resources.
Diffstat (limited to 'drivers/net/can/dev.c')
-rw-r--r--drivers/net/can/dev.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 611d16a7061d..ae4ed03dc642 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -391,6 +391,9 @@ void can_change_state(struct net_device *dev, struct can_frame *cf,
can_update_state_error_stats(dev, new_state);
priv->state = new_state;
+ if (!cf)
+ return;
+
if (unlikely(new_state == CAN_STATE_BUS_OFF)) {
cf->can_id |= CAN_ERR_BUSOFF;
return;