diff options
| author | Bjorn Helgaas <bhelgaas@google.com> | 2016-05-31 19:14:08 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-06-20 22:06:05 +0300 |
| commit | 27d9cb7ed2643cee96c4af5cfc4b941f68f42395 (patch) | |
| tree | 8a0910c46db081fb636fe1b88c495a69fd565f0e /drivers/pci/host/pcie-designware.c | |
| parent | 950334bcf17a6ab55ce13d3bdf050f7b429320d5 (diff) | |
| download | linux-27d9cb7ed2643cee96c4af5cfc4b941f68f42395.tar.xz | |
PCI: designware: Free bridge resource list on failure
of_pci_get_host_bridge_resources() allocates a list of resources for host
bridge windows. If we fail after allocating that list, free it before we
return error.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci/host/pcie-designware.c')
| -rw-r--r-- | drivers/pci/host/pcie-designware.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index aafd766546f3..9ade76752336 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -493,7 +493,8 @@ int dw_pcie_host_init(struct pcie_port *pp) resource_size(pp->cfg)); if (!pp->dbi_base) { dev_err(pp->dev, "error with ioremap\n"); - return -ENOMEM; + ret = -ENOMEM; + goto error; } } @@ -504,7 +505,8 @@ int dw_pcie_host_init(struct pcie_port *pp) pp->cfg0_size); if (!pp->va_cfg0_base) { dev_err(pp->dev, "error with ioremap in function\n"); - return -ENOMEM; + ret = -ENOMEM; + goto error; } } @@ -513,7 +515,8 @@ int dw_pcie_host_init(struct pcie_port *pp) pp->cfg1_size); if (!pp->va_cfg1_base) { dev_err(pp->dev, "error with ioremap\n"); - return -ENOMEM; + ret = -ENOMEM; + goto error; } } @@ -528,7 +531,8 @@ int dw_pcie_host_init(struct pcie_port *pp) &dw_pcie_msi_chip); if (!pp->irq_domain) { dev_err(pp->dev, "irq domain init failed\n"); - return -ENXIO; + ret = -ENXIO; + goto error; } for (i = 0; i < MAX_MSI_IRQS; i++) @@ -536,7 +540,7 @@ int dw_pcie_host_init(struct pcie_port *pp) } else { ret = pp->ops->msi_host_init(pp, &dw_pcie_msi_chip); if (ret < 0) - return ret; + goto error; } } @@ -552,8 +556,10 @@ int dw_pcie_host_init(struct pcie_port *pp) } else bus = pci_scan_root_bus(pp->dev, pp->root_bus_nr, &dw_pcie_ops, pp, &res); - if (!bus) - return -ENOMEM; + if (!bus) { + ret = -ENOMEM; + goto error; + } if (pp->ops->scan_bus) pp->ops->scan_bus(pp); @@ -571,6 +577,10 @@ int dw_pcie_host_init(struct pcie_port *pp) pci_bus_add_devices(bus); return 0; + +error: + pci_free_resource_list(&res); + return ret; } static int dw_pcie_rd_other_conf(struct pcie_port *pp, struct pci_bus *bus, |