[PATCH 6.13 152/274] can: rockchip: rkcanfd_handle_rx_fifo_overflow_int(): bail out if skb cannot be allocated

[Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>]

6.13-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Robin van der Gracht <robin@xxxxxxxxxxx>

commit f7f0adfe64de08803990dc4cbecd2849c04e314a upstream.

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@xxxxxxxxxxxxxxx
Signed-off-by: Robin van der Gracht <robin@xxxxxxxxxxx>
Link: https://patch.msgid.link/20250208-fix-rockchip-canfd-v1-1-ec533c8a9895@xxxxxxxxxxxxxx
Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/can/rockchip/rockchip_canfd-core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- 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(stru
 	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);