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[media] lirc_bt829: Fix iomap and PCI device leaks

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We must call iounmap() and pci_dev_put() when removed and on
the probe failure path.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Ben Hutchings 2013-09-04 22:31:59 -03:00 committed by Mauro Carvalho Chehab
parent d06d3ea783
commit fd39abee9e
1 changed files with 18 additions and 3 deletions
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21
drivers/staging/media/lirc/lirc_bt829.c
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@ -82,6 +82,7 @@ static struct pci_dev *do_pci_probe(void)
}
if (pci_addr_phys == 0) {
pr_err("no memory resource ?\n");
pci_dev_put(my_dev);
return NULL;
}
} else {
@ -119,13 +120,16 @@ static void atir_set_use_dec(void *data)
int init_module(void)
{
struct pci_dev *pdev;
int rc;
pdev = do_pci_probe();
if (pdev == NULL)
return -ENODEV;
if (!atir_init_start())
return -ENODEV;
if (!atir_init_start()) {
rc = -ENODEV;
goto err_put_dev;
}
strcpy(atir_driver.name, "ATIR");
atir_driver.minor = -1;
@ -141,17 +145,28 @@ int init_module(void)
atir_minor = lirc_register_driver(&atir_driver);
if (atir_minor < 0) {
pr_err("failed to register driver!\n");
return atir_minor;
rc = atir_minor;
goto err_unmap;
}
dprintk("driver is registered on minor %d\n", atir_minor);
return 0;
err_unmap:
iounmap(pci_addr_lin);
err_put_dev:
pci_dev_put(pdev);
return rc;
}
void cleanup_module(void)
{
struct pci_dev *pdev = to_pci_dev(atir_driver.dev);
lirc_unregister_driver(atir_minor);
iounmap(pci_addr_lin);
pci_dev_put(pdev);
}