[PATCH net 6/6] can: rockchip: rkcanfd_handle_rx_fifo_overflow_int(): bail out if skb cannot be allocated

From: Robin van der Gracht robin@protonic.nl

Fix NULL pointer check in rkcanfd_handle_rx_fifo_overflow_int() to bail out if skb cannot be allocated.

Fixes: ff60bfbaf67f ("can: rockchip_canfd: add driver for Rockchip CAN-FD controller") Cc: stable@vger.kernel.org Signed-off-by: Robin van der Gracht robin@protonic.nl Link: https://patch.msgid.link/20250208-fix-rockchip-canfd-v1-1-ec533c8a9895@pengu... Signed-off-by: Marc Kleine-Budde mkl@pengutronix.de --- drivers/net/can/rockchip/rockchip_canfd-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/can/rockchip/rockchip_canfd-core.c b/drivers/net/can/rockchip/rockchip_canfd-core.c index df18c85fc078..d9a937ba126c 100644 --- a/drivers/net/can/rockchip/rockchip_canfd-core.c +++ b/drivers/net/can/rockchip/rockchip_canfd-core.c @@ -622,7 +622,7 @@ rkcanfd_handle_rx_fifo_overflow_int(struct rkcanfd_priv *priv) netdev_dbg(priv->ndev, "RX-FIFO overflow\n");

skb = rkcanfd_alloc_can_err_skb(priv, &cf, &timestamp); - if (skb) + if (!skb) return 0;

rkcanfd_get_berr_counter_corrected(priv, &bec);