From: Thorsten Blum Date: Thu, 2 Jul 2026 21:15:55 +0000 (+0200) Subject: powerpc/boot: Fix simpleboot CPU node lookup check X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c824ab65685bb119c6c6a3a200b3428c72862d5a;p=thirdparty%2Fkernel%2Fstable.git powerpc/boot: Fix simpleboot CPU node lookup check fdt_node_offset_by_prop_value() returns a negative error code on failure - fix the check accordingly. Fixes: d2477b5cc8ca ("[POWERPC] bootwrapper: Add a firmware-independent simpleboot target.") Signed-off-by: Thorsten Blum Reviewed-by: Ritesh Harjani (IBM) Signed-off-by: Madhavan Srinivasan Link: https://patch.msgid.link/20260702211554.56923-4-thorsten.blum@linux.dev --- diff --git a/arch/powerpc/boot/simpleboot.c b/arch/powerpc/boot/simpleboot.c index c80691d83880b..27591df41e9e8 100644 --- a/arch/powerpc/boot/simpleboot.c +++ b/arch/powerpc/boot/simpleboot.c @@ -68,7 +68,7 @@ void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, /* finally, setup the timebase */ node = fdt_node_offset_by_prop_value(_dtb_start, -1, "device_type", "cpu", sizeof("cpu")); - if (!node) + if (node < 0) fatal("Cannot find cpu node\n"); timebase = fdt_getprop(_dtb_start, node, "timebase-frequency", &size); if (timebase && (size == 4))