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| author | Simon Glass <sjg@chromium.org> | 2020-07-07 13:12:10 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2020-07-17 14:32:24 +0800 |
| commit | 20349781a3ca833c67126888ddfce7c1517c772e (patch) | |
| tree | eb84642875edd981bf865836d8f69ca61e4ede42 /include/dm | |
| parent | 58a6ccd34e79acb7835699eab9c1ecb6cc8bbd47 (diff) | |
| download | u-boot-20349781a3ca833c67126888ddfce7c1517c772e.zip u-boot-20349781a3ca833c67126888ddfce7c1517c772e.tar.gz u-boot-20349781a3ca833c67126888ddfce7c1517c772e.tar.bz2 | |
pci: Avoid a crash in device_is_on_pci_bus()
This function cannot currently be called on the root node. Add a check
for this as well as a test.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'include/dm')
| -rw-r--r-- | include/dm/device.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/dm/device.h b/include/dm/device.h index f5738a0..953706c 100644 --- a/include/dm/device.h +++ b/include/dm/device.h @@ -764,7 +764,7 @@ int dev_enable_by_path(const char *path); */ static inline bool device_is_on_pci_bus(const struct udevice *dev) { - return device_get_uclass_id(dev->parent) == UCLASS_PCI; + return dev->parent && device_get_uclass_id(dev->parent) == UCLASS_PCI; } /** |