diff options
| author | Bjorn Andersson <bjorn.andersson@linaro.org> | 2017-07-16 09:39:45 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-08-04 00:14:32 +0300 |
| commit | 4a301766f5263dd94c1b95d1b1bbdf338afb1a37 (patch) | |
| tree | 9013a6e5a8441611534df7db0c4ecb5fbb80b880 /drivers/pci/dwc/pcie-designware-host.c | |
| parent | e9be4d78618af2e0d5592d9556cf0bba210cfd1a (diff) | |
| download | linux-4a301766f5263dd94c1b95d1b1bbdf338afb1a37.tar.xz | |
PCI: dwc: designware: Handle ->host_init() failures
In several dwc-based drivers, ->host_init() can fail, so make sure to
propagate and handle this to avoid continuing operation of a driver or
hardware in an invalid state.
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Joao Pinto <jpinto@synopsys.com>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
Diffstat (limited to 'drivers/pci/dwc/pcie-designware-host.c')
| -rw-r--r-- | drivers/pci/dwc/pcie-designware-host.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/pci/dwc/pcie-designware-host.c b/drivers/pci/dwc/pcie-designware-host.c index d29c020da082..157621175147 100644 --- a/drivers/pci/dwc/pcie-designware-host.c +++ b/drivers/pci/dwc/pcie-designware-host.c @@ -401,8 +401,11 @@ int dw_pcie_host_init(struct pcie_port *pp) } } - if (pp->ops->host_init) - pp->ops->host_init(pp); + if (pp->ops->host_init) { + ret = pp->ops->host_init(pp); + if (ret) + goto error; + } pp->root_bus_nr = pp->busn->start; |