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authorBen Hutchings <ben@decadent.org.uk>2013-09-04 22:31:59 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2013-10-03 14:05:20 -0300
commitfd39abee9e88276251f31f6c3cbefadb2d25486f (patch)
tree1d82eb9b8524a030c7cbd8e2315dc3c8fea9b25a /drivers/staging/media
parentd06d3ea78350ffcf773073824a02c2abcb5a2da2 (diff)
[media] lirc_bt829: Fix iomap and PCI device leaks
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>
Diffstat (limited to 'drivers/staging/media')
-rw-r--r--drivers/staging/media/lirc/lirc_bt829.c21
1 files changed, 18 insertions, 3 deletions
diff --git a/drivers/staging/media/lirc/lirc_bt829.c b/drivers/staging/media/lirc/lirc_bt829.c
index 9c7be5528d6d..a61d233f38ca 100644
--- a/drivers/staging/media/lirc/lirc_bt829.c
+++ b/drivers/staging/media/lirc/lirc_bt829.c
@@ -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);
}