The check operates on the stale value of 'head' and always loops back. Just do it unconditionally. No functional changes. Signed-off-by: Mateusz Guzik <mjguzik@xxxxxxxxx> --- fs/pipe.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/fs/pipe.c b/fs/pipe.c index 19a7948ab234..d5238f6e0f08 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -529,10 +529,9 @@ anon_pipe_write(struct kiocb *iocb, struct iov_iter *from) if (!iov_iter_count(from)) break; - } - if (!pipe_full(head, pipe->tail, pipe->max_usage)) continue; + } /* Wait for buffer space to become available. */ if ((filp->f_flags & O_NONBLOCK) || -- 2.43.0