[PATCH 03/14] libfdt: fdt_grab_space_(): Fix comparison warning

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With -Wsign-compare, compilers warn about a mismatching signedness
in a comparison in fdt_grab_space_().

All the involved values cannot be negative, so let's switch the types of
the local variables to unsigned to make the compiler happy.

Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>
---
 libfdt/fdt_sw.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libfdt/fdt_sw.c b/libfdt/fdt_sw.c
index 94ce4bb..d10a720 100644
--- a/libfdt/fdt_sw.c
+++ b/libfdt/fdt_sw.c
@@ -93,8 +93,8 @@ static inline uint32_t sw_flags(void *fdt)
 
 static void *fdt_grab_space_(void *fdt, size_t len)
 {
-	int offset = fdt_size_dt_struct(fdt);
-	int spaceleft;
+	unsigned int offset = fdt_size_dt_struct(fdt);
+	unsigned int spaceleft;
 
 	spaceleft = fdt_totalsize(fdt) - fdt_off_dt_struct(fdt)
 		- fdt_size_dt_strings(fdt);
-- 
2.17.5




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