diff options
| author | Jason Gunthorpe <jgg@nvidia.com> | 2023-04-04 11:03:24 -0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-04-04 11:04:30 -0300 |
| commit | 692d42d411b7db6a76382537fccbee3a12a2bcdb (patch) | |
| tree | 24770529cf173188bc5d2d0d9331c0ac723b631e /io_uring/msg_ring.c | |
| parent | c52159b5be7894540acdc7a35791c0b57097fa4c (diff) | |
| parent | 13a0d1ae7ee6b438f5537711a8c60cba00554943 (diff) | |
Merge branch 'iommufd/for-rc' into for-next
The following selftest patch requires both the bug fixes and the
improvements of the selftest framework.
* iommufd/for-rc:
iommufd: Do not corrupt the pfn list when doing batch carry
iommufd: Fix unpinning of pages when an access is present
iommufd: Check for uptr overflow
Linux 6.3-rc5
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'io_uring/msg_ring.c')
| -rw-r--r-- | io_uring/msg_ring.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/io_uring/msg_ring.c b/io_uring/msg_ring.c index 8803c0979e2a9..85fd7ce5f05b8 100644 --- a/io_uring/msg_ring.c +++ b/io_uring/msg_ring.c @@ -202,7 +202,7 @@ static int io_msg_install_complete(struct io_kiocb *req, unsigned int issue_flag * completes with -EOVERFLOW, then the sender must ensure that a * later IORING_OP_MSG_RING delivers the message. */ - if (!io_post_aux_cqe(target_ctx, msg->user_data, msg->len, 0)) + if (!io_post_aux_cqe(target_ctx, msg->user_data, ret, 0)) ret = -EOVERFLOW; out_unlock: io_double_unlock_ctx(target_ctx); @@ -229,6 +229,8 @@ static int io_msg_send_fd(struct io_kiocb *req, unsigned int issue_flags) struct io_ring_ctx *ctx = req->ctx; struct file *src_file = msg->src_file; + if (msg->len) + return -EINVAL; if (target_ctx == ctx) return -EINVAL; if (target_ctx->flags & IORING_SETUP_R_DISABLED) |