If register_candev() fails, a previous netif_napi_add() needs to be undone. Add the missing netif_napi_del() in the error handling path. Fixes: 2dcb8e8782d8 ("can: ctucanfd: add support for CTU CAN FD open-source IP core - bus independent part.") Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> --- drivers/net/can/ctucanfd/ctucanfd_base.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/can/ctucanfd/ctucanfd_base.c b/drivers/net/can/ctucanfd/ctucanfd_base.c index 64c349fd4600..59e1708e43d6 100644 --- a/drivers/net/can/ctucanfd/ctucanfd_base.c +++ b/drivers/net/can/ctucanfd/ctucanfd_base.c @@ -1429,7 +1429,7 @@ int ctucan_probe_common(struct device *dev, void __iomem *addr, int irq, unsigne ret = register_candev(ndev); if (ret) { dev_err(dev, "fail to register failed (err=%d)\n", ret); - goto err_deviceoff; + goto err_del_napi; } pm_runtime_put(dev); @@ -1439,6 +1439,8 @@ int ctucan_probe_common(struct device *dev, void __iomem *addr, int irq, unsigne return 0; +err_del_napi: + netif_napi_del(&priv->napi); err_deviceoff: pm_runtime_put(priv->dev); err_pmdisable: -- 2.34.1