Thread (2 messages) 2 messages, 2 authors, 2025-03-13

Re: [PATCH] can: rockchip: bail out if skb cannot be allocated

From: Marc Kleine-Budde <mkl@pengutronix.de>
Date: 2025-03-13 08:19:48
Also in: linux-can, linux-rockchip, lkml

Hello Chenyuan Yang,

thanks for your contribution.

On 12.03.2025 20:15:05, Chenyuan Yang wrote:
Add NULL pointer check in rkcanfd_handle_error_int() to
bail out if skb cannot be allocated.
If the skb cannot be allocated, the cf is also NULL.

regards,
Marc
quoted hunk ↗ jump to hunk
This is similar to the commit f7f0adfe64de
("can: rockchip: rkcanfd_handle_rx_fifo_overflow_int(): bail out if skb cannot be allocated").

Signed-off-by: Chenyuan Yang <redacted>
---
 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 d9a937ba126c..90395cbdaab9 100644
--- a/drivers/net/can/rockchip/rockchip_canfd-core.c
+++ b/drivers/net/can/rockchip/rockchip_canfd-core.c
@@ -551,7 +551,7 @@ static int rkcanfd_handle_error_int(struct rkcanfd_priv *priv)
 
 	rkcanfd_handle_error_int_reg_ec(priv, cf, reg_ec);
 
-	if (!cf)
+	if (!cf || !skb)
 		return 0;
 
 	err = can_rx_offload_queue_timestamp(&priv->offload, skb, timestamp);
-- 
2.34.1
-- 
Pengutronix e.K.                 | Marc Kleine-Budde          |
Embedded Linux                   | https://www.pengutronix.de |
Vertretung Nürnberg              | Phone: +49-5121-206917-129 |
Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-9   |

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