Messages in this thread Patch in this message | | | From | David Laight <> | Subject | [PATCH next resend 4/5] minmax: Allow comparisons of 'int' against 'unsigned char/short'. | Date | Tue, 25 Jul 2023 11:53:22 +0000 |
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Since 'unsigned char/short' get promoted to 'signed int' it is safe to compare them against an 'int' value.
Signed-off-by: David Laight <david.laight@aculab.com> ---
Resend as reply to 0/5
include/linux/minmax.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/minmax.h b/include/linux/minmax.h index 179034479d5e..baffbe5c855d 100644 --- a/include/linux/minmax.h +++ b/include/linux/minmax.h @@ -16,7 +16,8 @@ * allocation usage). */ #define __types_ok(x, y) \ - (is_signed_type(typeof(x)) == is_signed_type(typeof(y))) + (is_signed_type(typeof(x)) == is_signed_type(typeof(y)) || \ + is_signed_type(typeof((x) + 0)) == is_signed_type(typeof((y) + 0))) #define __cmp_op_min < #define __cmp_op_max > -- 2.17.1 - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)
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