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libfdt: fdt_create_with_flags(): Fix comparison warning

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

By making hdrsize a signed integer (we are sure it's a very small
number), we avoid all the casts and have matching types.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Message-Id: <20201001164630.4980-4-andre.przywara@arm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Andre Przywara
2020-10-01 17:46:27 +01:00
committed by David Gibson
parent f28aa27100
commit fb1f65f158
1 changed files with 2 additions and 2 deletions
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4
libfdt/fdt_sw.c
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@@ -108,8 +108,8 @@ static void *fdt_grab_space_(void *fdt, size_t len)
int fdt_create_with_flags(void *buf, int bufsize, uint32_t flags) int fdt_create_with_flags(void *buf, int bufsize, uint32_t flags)
{ {
const size_t hdrsize = FDT_ALIGN(sizeof(struct fdt_header), const int hdrsize = FDT_ALIGN(sizeof(struct fdt_header),
sizeof(struct fdt_reserve_entry)); sizeof(struct fdt_reserve_entry));
void *fdt = buf; void *fdt = buf;
if (bufsize < hdrsize) if (bufsize < hdrsize)