diff options
| -rw-r--r-- | fs/io_uring.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 0866578ee976..f2c71b494b52 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -2614,8 +2614,10 @@ static int io_read(struct io_kiocb *req, bool force_nonblock) if (req->file->f_op->read_iter) ret2 = call_read_iter(req->file, kiocb, &iter); - else + else if (req->file->f_op->read) ret2 = loop_rw_iter(READ, req->file, kiocb, &iter); + else + ret2 = -EINVAL; /* Catch -EAGAIN return for forced non-blocking submission */ if (!force_nonblock || ret2 != -EAGAIN) { @@ -2729,8 +2731,10 @@ static int io_write(struct io_kiocb *req, bool force_nonblock) if (req->file->f_op->write_iter) ret2 = call_write_iter(req->file, kiocb, &iter); - else + else if (req->file->f_op->write) ret2 = loop_rw_iter(WRITE, req->file, kiocb, &iter); + else + ret2 = -EINVAL; if (!force_nonblock) current->signal->rlim[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY; |