Commit be6bad57 authored by Pavel Begunkov's avatar Pavel Begunkov Committed by Jens Axboe
Browse files

io_uring/rsrc: remove null check on import 



WARN_ON_ONCE() checking imu for NULL in io_import_fixed() is in the hot
path and too protective, it's time to get rid of it.

Signed-off-by: default avatarPavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/3782c01e311dbd474bca45aefaf79a2f2822fafb.1745083025.git.asml.silence@gmail.com


Signed-off-by: default avatarJens Axboe <axboe@kernel.dk>
parent 9cebcf7b

io_uring/rsrc.c

+0 −2
Original line number Diff line number Diff line
@@ -1058,8 +1058,6 @@ static int io_import_fixed(int ddir, struct iov_iter *iter, 
	size_t offset;

	int ret;



	if (WARN_ON_ONCE(!imu))

		return -EFAULT;

	ret = validate_fixed_range(buf_addr, len, imu);

	if (unlikely(ret))

		return ret;