diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-04-07 14:05:05 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-04-07 11:17:47 -0600 |
| commit | 4cdd158be9d09223737df83136a1fb65269d809a (patch) | |
| tree | 63b882c43e19d908d2c5d1d5ca2a9fcf904b248f | |
| parent | 8f0a24801bb44aa58496945aabb904c729176772 (diff) | |
io_uring: use nospec annotation for more indexes
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>
| -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 d62079e9096c..fafd1ca4780b 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -9004,7 +9004,7 @@ static int io_close_fixed(struct io_kiocb *req, unsigned int issue_flags) bool needs_lock = issue_flags & IO_URING_F_UNLOCKED; struct io_fixed_file *file_slot; struct file *file; - int ret, i; + int ret; io_ring_submit_lock(ctx, needs_lock); ret = -ENXIO; @@ -9017,8 +9017,8 @@ 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; @@ -9074,8 +9074,7 @@ 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; @@ -9758,7 +9757,7 @@ 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); |