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authorBjorn Helgaas <bhelgaas@google.com>2025-10-03 12:13:11 -0500
committerBjorn Helgaas <bhelgaas@google.com>2025-10-03 12:13:11 -0500
commitb365c0a76946b3f18e835c1ee85a280753f9a9b0 (patch)
treea4eedf6e2ad7139312ef965f2571113816968b52 /drivers/pci/probe.c
parent4c5cd8d64172de3730056366dc61392a3f2f003a (diff)
parentdc32e9346b26ba33e84ec3034a1e53a9733700f9 (diff)
Merge branch 'pci/pwrctrl'
- Fix a double cleanup of regulators if devm_add_action_or_reset() fails (Geert Uytterhoeven) * pci/pwrctrl: PCI/pwrctrl: Fix device leak at device stop PCI/pwrctrl: Fix device and OF node leak at bus scan PCI/pwrctrl: Fix device leak at registration PCI/pwrctrl: Fix double cleanup on devm_add_action_or_reset() failure
Diffstat (limited to 'drivers/pci/probe.c')
-rw-r--r--drivers/pci/probe.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 591aee60e3d0..231f0dff8b01 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -2517,9 +2517,15 @@ static struct platform_device *pci_pwrctrl_create_device(struct pci_bus *bus, in
struct device_node *np;
np = of_pci_find_child_device(dev_of_node(&bus->dev), devfn);
- if (!np || of_find_device_by_node(np))
+ if (!np)
return NULL;
+ pdev = of_find_device_by_node(np);
+ if (pdev) {
+ put_device(&pdev->dev);
+ goto err_put_of_node;
+ }
+
/*
* First check whether the pwrctrl device really needs to be created or
* not. This is decided based on at least one of the power supplies
@@ -2527,17 +2533,24 @@ static struct platform_device *pci_pwrctrl_create_device(struct pci_bus *bus, in
*/
if (!of_pci_supply_present(np)) {
pr_debug("PCI/pwrctrl: Skipping OF node: %s\n", np->name);
- return NULL;
+ goto err_put_of_node;
}
/* Now create the pwrctrl device */
pdev = of_platform_device_create(np, NULL, &host->dev);
if (!pdev) {
pr_err("PCI/pwrctrl: Failed to create pwrctrl device for node: %s\n", np->name);
- return NULL;
+ goto err_put_of_node;
}
+ of_node_put(np);
+
return pdev;
+
+err_put_of_node:
+ of_node_put(np);
+
+ return NULL;
}
#else
static struct platform_device *pci_pwrctrl_create_device(struct pci_bus *bus, int devfn)