Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

can: bxcan: bxcan_start_xmit(): use can_dev_dropped_skb() instead of can_dropped_invalid_skb()

In addition to can_dropped_invalid_skb(), the helper function
can_dev_dropped_skb() checks whether the device is in listen-only mode and
discards the skb accordingly.

Replace can_dropped_invalid_skb() by can_dev_dropped_skb() to also drop
skbs in for listen-only mode.

Reported-by: Marc Kleine-Budde <mkl@pengutronix.de>
Closes: https://lore.kernel.org/all/20251017-bizarre-enchanted-quokka-f3c704-mkl@pengutronix.de/
Fixes: f00647d8127b ("can: bxcan: add support for ST bxCAN controller")
Link: https://patch.msgid.link/20251017-fix-skb-drop-check-v1-1-556665793fa4@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

+1 -1
+1 -1
drivers/net/can/bxcan.c
··· 842 842 u32 id; 843 843 int i, j; 844 844 845 - if (can_dropped_invalid_skb(ndev, skb)) 845 + if (can_dev_dropped_skb(ndev, skb)) 846 846 return NETDEV_TX_OK; 847 847 848 848 if (bxcan_tx_busy(priv))