Hi Marek, On Fri, 21 Nov 2025 at 10:53, Marek Vasut <[email protected]> wrote: > > On 11/21/25 6:35 PM, Simon Glass wrote: > > Hello Simon, > > >> To be made to clk_fixed_rate_ofdata_to_plat_(...) in > >> drivers/clk/clk_fixed_rate.c as it does not currently call > >> dev_has_ofnode(dev). > > > > Ah OK. So the call stack is something like: > > > > dev_read_u32_default() > > dev_ofnode() - returns ofnode_null > > ofnode_read_u32_default() > > ofnode_read_u32_index > > fdt_getprop(NULL, -1, ...) // guess > > > > And I see that I put assert() in some of the ofnode_read..() functions > > because I don't have tests for passing an invalid ofnode. > > > > So perhaps fdt_offset_ptr_() should check for NULL and return? I > > haven't traced it though. > > In previous patch > > [PATCH 3/3] libfdt: Check fdt_offset_ptr() return value unconditionally > > that approach seems to have been rejected, and these dev_read_*() fixes > were implemented as a replacement.
I don't think it was rejected...but I think the commit message should better explain the problem, e.g. using some of the info above. The only choice is whether to add the check unconditionally (which I think is fine for now) or to add a new type of assumption. Regards, Simon
