fdt_translate_address() returns OF_BAD_ADDR on error. It is defined as
a u64 value, so the variable "addr" should be defined as u64 as well.
Fixes: fb11ffe74c79 ("of/fdt: add FDT serial scanning for earlycon")
Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>
---
drivers/of/fdt.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index 9fc3568..196e449 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -822,14 +822,15 @@ static int __init early_init_dt_scan_chosen_serial(void)
return -ENODEV;
while (match->compatible[0]) {
- unsigned long addr;
+ u64 addr;
+
if (fdt_node_check_compatible(fdt, offset, match->compatible)) {
match++;
continue;
}
addr = fdt_translate_address(fdt, offset);
- if (!addr)
+ if (addr == OF_BAD_ADDR)
return -ENXIO;
of_setup_earlycon(addr, match->data);
--
1.9.1
--
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