With -Wsign-compare, compilers warn about a mismatching signedness
in a comparison in fdt_node_offset_by_phandle().
Uses a better suited bitwise NOT operator to denote the special value of
-1, which automatically results in an unsigned type.
Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>
---
libfdt/fdt_ro.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libfdt/fdt_ro.c b/libfdt/fdt_ro.c
index 059d302..44ad7ec 100644
--- a/libfdt/fdt_ro.c
+++ b/libfdt/fdt_ro.c
@@ -680,7 +680,7 @@ int fdt_node_offset_by_phandle(const void *fdt, uint32_t phandle)
{
int offset;
- if ((phandle == 0) || (phandle == -1))
+ if ((phandle == 0) || (phandle == ~0U))
return -FDT_ERR_BADPHANDLE;
FDT_RO_PROBE(fdt);
--
2.17.5
