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| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-11-18 17:33:03 +0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2022-12-01 09:20:55 -0800 |
| commit | 7dec14537c5906b8bf40fd6fd6d9c3850f8df11d (patch) | |
| tree | 5e7ea0218c3de1b7b2a98a4fa852f1028891313d /drivers/hwmon | |
| parent | a89ff5f5cc64b9fe7a992cf56988fd36f56ca82a (diff) | |
| download | linux-7dec14537c5906b8bf40fd6fd6d9c3850f8df11d.tar.bz2 | |
hwmon: (coretemp) fix pci device refcount leak in nv1a_ram_new()
As comment of pci_get_domain_bus_and_slot() says, it returns
a pci device with refcount increment, when finish using it,
the caller must decrement the reference count by calling
pci_dev_put(). So call it after using to avoid refcount leak.
Fixes: 14513ee696a0 ("hwmon: (coretemp) Use PCI host bridge ID to identify CPU if necessary")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20221118093303.214163-1-yangyingliang@huawei.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/coretemp.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 30a19d711f89..9bee4d33fbdf 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -242,10 +242,13 @@ static int adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) */ if (host_bridge && host_bridge->vendor == PCI_VENDOR_ID_INTEL) { for (i = 0; i < ARRAY_SIZE(tjmax_pci_table); i++) { - if (host_bridge->device == tjmax_pci_table[i].device) + if (host_bridge->device == tjmax_pci_table[i].device) { + pci_dev_put(host_bridge); return tjmax_pci_table[i].tjmax; + } } } + pci_dev_put(host_bridge); for (i = 0; i < ARRAY_SIZE(tjmax_table); i++) { if (strstr(c->x86_model_id, tjmax_table[i].id)) |