From a278682dad37fd2f8d2f30d8e84e376a856ab472 Mon Sep 17 00:00:00 2001 From: Pavel Begunkov Date: Sun, 26 May 2019 12:35:47 +0300 Subject: 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 Signed-off-by: Jens Axboe --- fs/io_uring.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'fs/io_uring.c') diff --git a/fs/io_uring.c b/fs/io_uring.c index 310f8d17c53e..0fbb486a320e 100644 --- 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 -- cgit v1.2.3-55-g7522