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can: rockchip: rkcanfd_handle_rx_fifo_overflow_int(): bail out if skb cannot be allocated

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commit f7f0adfe64de08803990dc4cbecd2849c04e314a upstream.

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

Fixes: ff60bfbaf6 ("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@pengutronix.de
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Robin van der Gracht
2025-01-27 13:16:44 +01:00
committed by Greg Kroah-Hartman
parent 759e4e94a3
commit 118fb35681
1 changed files with 1 additions and 1 deletions
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drivers/net/can/rockchip/rockchip_canfd-core.c
+1 -1
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@@ -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);