io_uring: Fix __io_uring_register() false success

If io_copy_iov() fails, it will break the loop and report success, albeit partially completed operation. Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
mariux64 · May 26, 2019 · a278682 · a278682
1 parent 35efb51
commit a278682
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/fs/io_uring.c b/fs/io_uring.c
@@ -2616,7 +2616,7 @@ static int io_sqe_buffer_register(struct io_ring_ctx *ctx, void __user *arg,
 
 		ret = io_copy_iov(ctx, &iov, arg, i);
 		if (ret)
-			break;
+			goto err;
 
 		/*
 		 * Don't impose further limits on the size and buffer