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authorLinus Walleij <linus.walleij@linaro.org>2017-06-29 14:27:39 +0200
committerLinus Walleij <linus.walleij@linaro.org>2017-06-29 14:27:39 +0200
commit61830619675b97d3da34c59c71ae51646a205e2c (patch)
treee6d39f81284bdb86ba4214c89994fb454074f583 /drivers/net/can/dev.c
parentpinctrl: armada-37xx: Fix number of pin in sdio_sb (diff)
parentLinux 4.12-rc7 (diff)
downloadwireguard-linux-61830619675b97d3da34c59c71ae51646a205e2c.tar.xz
wireguard-linux-61830619675b97d3da34c59c71ae51646a205e2c.zip
Merge tag 'v4.12-rc7' into devel
Linux 4.12-rc7
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;