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 /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | PCI: qcom-ep: Add support for SM8450 SoC (diff) | |
| download | wireguard-linux-94f0b955e4ed610e4ee93ee72b88c4415bed685d.tar.xz wireguard-linux-94f0b955e4ed610e4ee93ee72b88c4415bed685d.zip | |
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 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions