iov_iter::type is a bitmask that also keeps direction etc., so it shouldn't be directly compared against ITER_*. Use proper helper. Cc: <stable@xxxxxxxxxxxxxxx> # 5.9 Reported-by: David Howells <dhowells@xxxxxxxxxx> Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx> --- fs/io_uring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/io_uring.c b/fs/io_uring.c index 593dfef32b17..7c1f255807f5 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -3278,7 +3278,7 @@ static void io_req_map_rw(struct io_kiocb *req, const struct iovec *iovec, rw->free_iovec = iovec; rw->bytes_done = 0; /* can only be fixed buffers, no need to do anything */ - if (iter->type == ITER_BVEC) + if (iov_iter_is_bvec(iter)) return; if (!iovec) { unsigned iov_off = 0; -- 2.24.0