From: Christophe JAILLET Date: Sun, 18 Sep 2022 06:27:33 +0000 (+0200) Subject: misc: microchip: pci1xxxx: Fix a memory leak in the error handling of gp_aux_bus_probe() X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=62e5d00684ef81b4be35d23e54eec92ee38db7b8;p=linux.git misc: microchip: pci1xxxx: Fix a memory leak in the error handling of gp_aux_bus_probe() 'aux_bus' is freed in the remove function but not in the error handling path of the probe. Use devm_kzalloc() to simplify the remove function and fix the leak in the probe. Fixes: 393fc2f5948f ("misc: microchip: pci1xxxx: load auxiliary bus driver for the PIO function in the multi-function endpoint of pci1xxxx device.") Signed-off-by: Christophe JAILLET Link: https://lore.kernel.org/r/17e19926669a1654e5f2495bf3b289581183d02e.1663482259.git.christophe.jaillet@wanadoo.fr Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c index 6c4f8384aa090..32af2b14ff344 100644 --- a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c +++ b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gp.c @@ -38,7 +38,7 @@ static int gp_aux_bus_probe(struct pci_dev *pdev, const struct pci_device_id *id if (retval) return retval; - aux_bus = kzalloc(sizeof(*aux_bus), GFP_KERNEL); + aux_bus = devm_kzalloc(&pdev->dev, sizeof(*aux_bus), GFP_KERNEL); if (!aux_bus) return -ENOMEM; @@ -138,7 +138,6 @@ static void gp_aux_bus_remove(struct pci_dev *pdev) auxiliary_device_uninit(&aux_bus->aux_device_wrapper[0]->aux_dev); auxiliary_device_delete(&aux_bus->aux_device_wrapper[1]->aux_dev); auxiliary_device_uninit(&aux_bus->aux_device_wrapper[1]->aux_dev); - kfree(aux_bus); } static const struct pci_device_id pci1xxxx_tbl[] = {