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powerpc/boot: Fix treeboot-akebono CPU node lookup check

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fdt_node_offset_by_prop_value() returns a negative error code on
failure - fix the check accordingly.

Fixes: 2a2c74b2ef ("IBM Akebono: Add the Akebono platform")
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
Reviewed-by: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com>
Link: https://patch.msgid.link/20260702211554.56923-6-thorsten.blum@linux.dev
This commit is contained in:
Thorsten Blum 2026-07-02 23:15:57 +02:00 committed by Madhavan Srinivasan
parent 43863f6575
commit b24fc8278b
1 changed files with 1 additions and 1 deletions
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2
arch/powerpc/boot/treeboot-akebono.c
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@ -146,7 +146,7 @@ void platform_init(char *userdata)
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))