diff options
| -rw-r--r-- | io_uring/uring_cmd.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/io_uring/uring_cmd.c b/io_uring/uring_cmd.c index fe84c934734e..929cad6ee326 100644 --- a/io_uring/uring_cmd.c +++ b/io_uring/uring_cmd.c @@ -275,6 +275,9 @@ int io_uring_cmd_import_fixed(u64 ubuf, unsigned long len, int rw, { struct io_kiocb *req = cmd_to_io_kiocb(ioucmd); + if (WARN_ON_ONCE(!(ioucmd->flags & IORING_URING_CMD_FIXED))) + return -EINVAL; + return io_import_reg_buf(req, iter, ubuf, len, rw, issue_flags); } EXPORT_SYMBOL_GPL(io_uring_cmd_import_fixed); @@ -289,6 +292,9 @@ int io_uring_cmd_import_fixed_vec(struct io_uring_cmd *ioucmd, struct io_async_cmd *ac = req->async_data; int ret; + if (WARN_ON_ONCE(!(ioucmd->flags & IORING_URING_CMD_FIXED))) + return -EINVAL; + ret = io_prep_reg_iovec(req, &ac->vec, uvec, uvec_segs); if (ret) return ret; |