diff options
author | Pavel Begunkov <asml.silence@gmail.com> | 2022-04-07 16:05:05 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-20 10:34:17 +0300 |
commit | b8ed0f7531f30c7ab5ee5e83b704fecb86acf3dc (patch) | |
tree | 230ecf41d88a53b91dd9c42f7179d631f6ac49cd /fs | |
parent | 5218d5cc02833e9495bba401d6af7d7801fb22cc (diff) | |
download | linux-b8ed0f7531f30c7ab5ee5e83b704fecb86acf3dc.tar.xz |
io_uring: use nospec annotation for more indexes
[ Upstream commit 4cdd158be9d09223737df83136a1fb65269d809a ]
There are still several places that using pre array_index_nospec()
indexes, fix them up.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/b01ef5ee83f72ed35ad525912370b729f5d145f4.1649336342.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs')
-rw-r--r-- | fs/io_uring.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index ca207e9a87cd..1bf1ea2cd8b0 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -8489,7 +8489,7 @@ static int io_close_fixed(struct io_kiocb *req, unsigned int issue_flags) struct io_ring_ctx *ctx = req->ctx; struct io_fixed_file *file_slot; struct file *file; - int ret, i; + int ret; io_ring_submit_lock(ctx, !(issue_flags & IO_URING_F_NONBLOCK)); ret = -ENXIO; @@ -8502,8 +8502,8 @@ static int io_close_fixed(struct io_kiocb *req, unsigned int issue_flags) if (ret) goto out; - i = array_index_nospec(offset, ctx->nr_user_files); - file_slot = io_fixed_file_slot(&ctx->file_table, i); + offset = array_index_nospec(offset, ctx->nr_user_files); + file_slot = io_fixed_file_slot(&ctx->file_table, offset); ret = -EBADF; if (!file_slot->file_ptr) goto out; @@ -8559,8 +8559,7 @@ static int __io_sqe_files_update(struct io_ring_ctx *ctx, if (file_slot->file_ptr) { file = (struct file *)(file_slot->file_ptr & FFS_MASK); - err = io_queue_rsrc_removal(data, up->offset + done, - ctx->rsrc_node, file); + err = io_queue_rsrc_removal(data, i, ctx->rsrc_node, file); if (err) break; file_slot->file_ptr = 0; @@ -9229,7 +9228,7 @@ static int __io_sqe_buffers_update(struct io_ring_ctx *ctx, i = array_index_nospec(offset, ctx->nr_user_bufs); if (ctx->user_bufs[i] != ctx->dummy_ubuf) { - err = io_queue_rsrc_removal(ctx->buf_data, offset, + err = io_queue_rsrc_removal(ctx->buf_data, i, ctx->rsrc_node, ctx->user_bufs[i]); if (unlikely(err)) { io_buffer_unmap(ctx, &imu); |