From 4578be130a6470d85ff05b13b75a00e6224eeeeb Mon Sep 17 00:00:00 2001 From: Keith Busch Date: Thu, 1 Apr 2021 09:06:29 -0700 Subject: overflow: Correct check_shl_overflow() comment A 'false' return means the value was safely set, so the comment should say 'true' for when it is not considered safe. Cc: Jason Gunthorpe Signed-off-by: Keith Busch Signed-off-by: Kees Cook Fixes: 0c66847793d1 ("overflow.h: Add arithmetic shift helper") Link: https://lore.kernel.org/r/20210401160629.1941787-1-kbusch@kernel.org --- include/linux/overflow.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include') diff --git a/include/linux/overflow.h b/include/linux/overflow.h index ef74051d5cfe..0f12345c21fb 100644 --- a/include/linux/overflow.h +++ b/include/linux/overflow.h @@ -235,7 +235,7 @@ static inline bool __must_check __must_check_overflow(bool overflow) * - 'a << s' sets the sign bit, if any, in '*d'. * * '*d' will hold the results of the attempted shift, but is not - * considered "safe for use" if false is returned. + * considered "safe for use" if true is returned. */ #define check_shl_overflow(a, s, d) __must_check_overflow(({ \ typeof(a) _a = a; \ -- cgit v1.2.3