Messages in this thread | | | Date | Fri, 24 Nov 2023 16:30:47 +0200 | From | Andy Shevchenko <> | Subject | Re: [PATCH v2 06/21] pinctrl: equilibrium: Convert to use struct pingroup |
| |
On Fri, Nov 24, 2023 at 09:19:45PM +0800, kernel test robot wrote:
...
> If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot <lkp@intel.com> > | Closes: https://lore.kernel.org/oe-kbuild-all/202311241401.ZPILPdov-lkp@intel.com/ > > smatch warnings: > drivers/pinctrl/pinctrl-equilibrium.c:719 eqbr_build_groups() warn: unsigned 'grp->npins' is never less than zero.
Thank you for the report!
...
> 718 grp->npins = of_property_count_u32_elems(np, "pins"); > > 719 if (grp->npins < 0) { > 720 dev_err(dev, "No pins in the group: %s\n", prop->name); > 721 of_node_put(np); > 722 return -EINVAL; > 723 }
Surprisingly (to me) the _count_u32_elems() can return a negative error code... Fine, I redo a bit the code by introducing a new patch that will use err instead of ->npins (which sounds better approach anyway).
-- With Best Regards, Andy Shevchenko
| |