We evaluate timeout_us for truthiness to determine whether we are entering an infinite poll loop. When timeout_us contains a multiplication, GCC will warn about it and suggest replacing the * with &&. Silence this warning by comparing directly against 0.
Signed-off-by: Ahmad Fatoum <[email protected]> --- include/linux/iopoll.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h index 8bf912e173b3..b8c55583f97f 100644 --- a/include/linux/iopoll.h +++ b/include/linux/iopoll.h @@ -32,13 +32,13 @@ #define read_poll_timeout(op, val, cond, timeout_us, args...) \ ({ \ uint64_t start; \ - if (!IN_PBL && timeout_us) \ + if (!IN_PBL && timeout_us != 0) \ start = get_time_ns(); \ for (;;) { \ (val) = op(args); \ if (cond) \ break; \ - if (!IN_PBL && timeout_us && \ + if (!IN_PBL && timeout_us != 0 && \ is_timeout(start, ((timeout_us) * USECOND))) { \ (val) = op(args); \ break; \ -- 2.30.2
