From: "Markus Schneider-Pargmann (TI.com)" We have more detailed error values available, return them in the core driver and the calling drivers to return proper errors to callers. Reviewed-by: Vincent Mailhol Reviewed-by: Dhruva Gole Reviewed-by: Kendall Willis Signed-off-by: Markus Schneider-Pargmann (TI.com) Link: https://patch.msgid.link/20251001-topic-mcan-wakeup-source-v6-12-v10-3-4ab508ac5d1e@baylibre.com Signed-off-by: Marc Kleine-Budde --- drivers/net/can/m_can/m_can.c | 6 +++--- drivers/net/can/m_can/m_can_pci.c | 4 ++-- drivers/net/can/m_can/m_can_platform.c | 4 ++-- drivers/net/can/m_can/tcan4x5x-core.c | 4 ++-- 4 files changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index f00bdec3246a..10b5862b4880 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -2408,7 +2408,7 @@ struct m_can_classdev *m_can_class_allocate_dev(struct device *dev, sizeof(mram_config_vals) / 4); if (ret) { dev_err(dev, "Could not get Message RAM configuration."); - goto out; + return ERR_PTR(ret); } if (dev->of_node && of_property_read_bool(dev->of_node, "wakeup-source")) @@ -2423,7 +2423,7 @@ struct m_can_classdev *m_can_class_allocate_dev(struct device *dev, net_dev = alloc_candev(sizeof_priv, tx_fifo_size); if (!net_dev) { dev_err(dev, "Failed to allocate CAN device"); - goto out; + return ERR_PTR(-ENOMEM); } class_dev = netdev_priv(net_dev); @@ -2433,7 +2433,7 @@ struct m_can_classdev *m_can_class_allocate_dev(struct device *dev, m_can_of_parse_mram(class_dev, mram_config_vals); spin_lock_init(&class_dev->tx_handling_spinlock); -out: + return class_dev; } EXPORT_SYMBOL_GPL(m_can_class_allocate_dev); diff --git a/drivers/net/can/m_can/m_can_pci.c b/drivers/net/can/m_can/m_can_pci.c index 9ad7419f88f8..eb31ed1f9644 100644 --- a/drivers/net/can/m_can/m_can_pci.c +++ b/drivers/net/can/m_can/m_can_pci.c @@ -111,8 +111,8 @@ static int m_can_pci_probe(struct pci_dev *pci, const struct pci_device_id *id) mcan_class = m_can_class_allocate_dev(&pci->dev, sizeof(struct m_can_pci_priv)); - if (!mcan_class) - return -ENOMEM; + if (IS_ERR(mcan_class)) + return PTR_ERR(mcan_class); priv = cdev_to_priv(mcan_class); diff --git a/drivers/net/can/m_can/m_can_platform.c b/drivers/net/can/m_can/m_can_platform.c index 4a412add2b8d..56da411878af 100644 --- a/drivers/net/can/m_can/m_can_platform.c +++ b/drivers/net/can/m_can/m_can_platform.c @@ -87,8 +87,8 @@ static int m_can_plat_probe(struct platform_device *pdev) mcan_class = m_can_class_allocate_dev(&pdev->dev, sizeof(struct m_can_plat_priv)); - if (!mcan_class) - return -ENOMEM; + if (IS_ERR(mcan_class)) + return PTR_ERR(mcan_class); priv = cdev_to_priv(mcan_class); diff --git a/drivers/net/can/m_can/tcan4x5x-core.c b/drivers/net/can/m_can/tcan4x5x-core.c index 39b0b5277b11..31cc9d0abd45 100644 --- a/drivers/net/can/m_can/tcan4x5x-core.c +++ b/drivers/net/can/m_can/tcan4x5x-core.c @@ -416,8 +416,8 @@ static int tcan4x5x_can_probe(struct spi_device *spi) mcan_class = m_can_class_allocate_dev(&spi->dev, sizeof(struct tcan4x5x_priv)); - if (!mcan_class) - return -ENOMEM; + if (IS_ERR(mcan_class)) + return PTR_ERR(mcan_class); ret = m_can_check_mram_cfg(mcan_class, TCAN4X5X_MRAM_SIZE); if (ret) -- 2.51.0