IOPOLL doesn't use the extended arguments, no need for it to support
IORING_ENTER_EXT_ARG_REG. Let's disable it for IOPOLL, if anything it
leaves more space for future extensions.
Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
---
io_uring/io_uring.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index bd71782057de..464a70bde7e6 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -3214,12 +3214,8 @@ static int io_validate_ext_arg(struct io_ring_ctx *ctx, unsigned flags,
if (!(flags & IORING_ENTER_EXT_ARG))
return 0;
-
- if (flags & IORING_ENTER_EXT_ARG_REG) {
- if (argsz != sizeof(struct io_uring_reg_wait))
- return -EINVAL;
- return PTR_ERR(io_get_ext_arg_reg(ctx, argp));
- }
+ if (flags & IORING_ENTER_EXT_ARG_REG)
+ return -EINVAL;
if (argsz != sizeof(arg))
return -EINVAL;
if (copy_from_user(&arg, argp, sizeof(arg)))
--
2.46.0
