Messages in this thread | | | Subject | Re: [PATCH v11] ARM: uncompress: Validate start of physical memory against passed DTB | From | Stephen Boyd <> | Date | Sat, 12 Dec 2020 21:21:34 -0800 |
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Quoting Geert Uytterhoeven (2020-12-10 01:32:01) > diff --git a/arch/arm/boot/compressed/fdt_check_mem_start.c b/arch/arm/boot/compressed/fdt_check_mem_start.c > new file mode 100644 > index 0000000000000000..e58c3a79c8a31ec4 > --- /dev/null > +++ b/arch/arm/boot/compressed/fdt_check_mem_start.c > @@ -0,0 +1,131 @@ [...] > + > +static uint64_t get_val(const fdt32_t *cells, uint32_t ncells) > +{ > + uint64_t r = 0;
This assignment is unnecessary?
> + > + r = fdt32_ld(cells); > + if (ncells > 1) > + r = (r << 32) | fdt32_ld(cells + 1); > + > + return r;
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