When chip_id is not supported, the resources will be freed on path err_unsupported, these resources will also be freed when calling ath10k_pci_remove(), it will cause double free, so return -ENODEV when it doesn't support the device with wrong chip_id. Fixes: c0c378f9907c ("ath10k: remove target soc ps code") Fixes: 7505f7c3ec1d ("ath10k: create a chip revision whitelist") Fixes: f8914a14623a ("ath10k: restore QCA9880-AR1A (v1) detection") Reported-by: Hulk Robot <hulkci@xxxxxxxxxx> Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx> --- drivers/net/wireless/ath/ath10k/pci.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c index 463cf3f8f8a5..71878ab35b93 100644 --- a/drivers/net/wireless/ath/ath10k/pci.c +++ b/drivers/net/wireless/ath/ath10k/pci.c @@ -3685,8 +3685,10 @@ static int ath10k_pci_probe(struct pci_dev *pdev, ath10k_pci_soc_read32(ar, SOC_CHIP_ID_ADDRESS); if (bus_params.chip_id != 0xffffffff) { if (!ath10k_pci_chip_is_supported(pdev->device, - bus_params.chip_id)) + bus_params.chip_id)) { + ret = -ENODEV; goto err_unsupported; + } } } @@ -3697,11 +3699,15 @@ static int ath10k_pci_probe(struct pci_dev *pdev, } bus_params.chip_id = ath10k_pci_soc_read32(ar, SOC_CHIP_ID_ADDRESS); - if (bus_params.chip_id == 0xffffffff) + if (bus_params.chip_id == 0xffffffff) { + ret = -ENODEV; goto err_unsupported; + } - if (!ath10k_pci_chip_is_supported(pdev->device, bus_params.chip_id)) + if (!ath10k_pci_chip_is_supported(pdev->device, bus_params.chip_id)) { + ret = -ENODEV; goto err_unsupported; + } ret = ath10k_core_register(ar, &bus_params); if (ret) { -- 2.25.1