diff options
| author | Yang Yingliang <yangyingliang@huawei.com> | 2022-04-29 16:07:40 +0800 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2022-10-05 17:30:55 -0500 |
| commit | 94f0b955e4ed610e4ee93ee72b88c4415bed685d (patch) | |
| tree | 880aacdb8810f0b2eaddf3303a056fe4d0f4ff09 /drivers/pci/controller/dwc/pcie-histb.c | |
| parent | 867ec26c16064b271b1d5fd292a1610ed3a754ec (diff) | |
| download | linux-94f0b955e4ed610e4ee93ee72b88c4415bed685d.tar.bz2 | |
PCI: qcom-ep: Check platform_get_resource_byname() return value
If platform_get_resource_byname() fails, 'mmio_res' will be set to NULL
pointer, which causes a NULL pointer dereference when it is used in
qcom_pcie_perst_deassert().
Check the return value to prevent it.
Link: https://lore.kernel.org/r/20220429080740.1294797-1-yangyingliang@huawei.com
Fixes: f55fee56a631 ("PCI: qcom-ep: Add Qualcomm PCIe Endpoint controller driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Diffstat (limited to 'drivers/pci/controller/dwc/pcie-histb.c')
0 files changed, 0 insertions, 0 deletions