Messages in this thread Patch in this message | | | From | "Jason A. Donenfeld" <> | Subject | [PATCH] of: fdt: parse early params before adding bootloader randomness | Date | Sat, 5 Nov 2022 02:46:13 +0100 |
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FDT is examined so early that it's before the first incidental call to parse_early_param(). This is similar to EFI, except EFI actually added an explicitly call to parse_early_param(). Let's do the same here, so that specifying `random.trust_bootloader=0` is not ignored.
Fixes: d97c68d178fb ("random: treat bootloader trust toggle the same way as cpu trust toggle") Cc: Rob Herring <robh@kernel.org> Cc: Frank Rowand <frowand.list@gmail.com> Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> --- drivers/of/fdt.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 7b571a631639..6d959117fd4f 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -1195,6 +1195,9 @@ int __init early_init_dt_scan_chosen(char *cmdline) rng_seed = of_get_flat_dt_prop(node, "rng-seed", &l); if (rng_seed && l > 0) { + /* Parse random.trust_bootloader if it's in command line. */ + parse_early_param(); + add_bootloader_randomness(rng_seed, l); /* try to clear seed so it won't be found. */ -- 2.38.1
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