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| author | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2025-11-18 21:04:59 +0100 |
|---|---|---|
| committer | Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2025-11-19 08:32:38 +0100 |
| commit | 01be9047988d15850ca15d146c5f4aeb5de2f569 (patch) | |
| tree | 8ea3d803aa889d8eabfaad3efa01bb4ce3df0ca2 /tools/lib/python/kdoc/kdoc_output.py | |
| parent | bb7c963d0008f6d652ca7c7aa1aedae3d03425c7 (diff) | |
gpio: shared: fix a NULL-pointer dereference
The fact that CONFIG_OF is enabled does not mean that the device tree is
populated and that of_root points to a valid device node. Check if it's
NULL before trying to traverse the tree.
Fixes: a060b8c511ab ("gpiolib: implement low-level, shared GPIO support")
Reported-by: Mark Brown <broonie@kernel.org>
Closes: https://lore.kernel.org/all/dbe20642-9662-40af-a593-c1263baea73b@sirena.org.uk/
Tested-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20251118200459.13969-1-brgl@bgdev.pl
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Diffstat (limited to 'tools/lib/python/kdoc/kdoc_output.py')
0 files changed, 0 insertions, 0 deletions