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-rw-r--r--io_uring/net.c16
-rw-r--r--io_uring/opdef.c2
2 files changed, 15 insertions, 3 deletions
diff --git a/io_uring/net.c b/io_uring/net.c
index d5b80b66feab..12412acc6c5e 100644
--- a/io_uring/net.c
+++ b/io_uring/net.c
@@ -126,8 +126,8 @@ static void io_netmsg_recycle(struct io_kiocb *req, unsigned int issue_flags)
}
}
-static struct io_async_msghdr *io_recvmsg_alloc_async(struct io_kiocb *req,
- unsigned int issue_flags)
+static struct io_async_msghdr *io_msg_alloc_async(struct io_kiocb *req,
+ unsigned int issue_flags)
{
struct io_ring_ctx *ctx = req->ctx;
struct io_cache_entry *entry;
@@ -148,6 +148,12 @@ static struct io_async_msghdr *io_recvmsg_alloc_async(struct io_kiocb *req,
return NULL;
}
+static inline struct io_async_msghdr *io_msg_alloc_async_prep(struct io_kiocb *req)
+{
+ /* ->prep_async is always called from the submission context */
+ return io_msg_alloc_async(req, 0);
+}
+
static int io_setup_async_msg(struct io_kiocb *req,
struct io_async_msghdr *kmsg,
unsigned int issue_flags)
@@ -156,7 +162,7 @@ static int io_setup_async_msg(struct io_kiocb *req,
if (req_has_async_data(req))
return -EAGAIN;
- async_msg = io_recvmsg_alloc_async(req, issue_flags);
+ async_msg = io_msg_alloc_async(req, issue_flags);
if (!async_msg) {
kfree(kmsg->free_iov);
return -ENOMEM;
@@ -217,6 +223,8 @@ int io_sendmsg_prep_async(struct io_kiocb *req)
{
int ret;
+ if (!io_msg_alloc_async_prep(req))
+ return -ENOMEM;
ret = io_sendmsg_copy_hdr(req, req->async_data);
if (!ret)
req->flags |= REQ_F_NEED_CLEANUP;
@@ -504,6 +512,8 @@ int io_recvmsg_prep_async(struct io_kiocb *req)
{
int ret;
+ if (!io_msg_alloc_async_prep(req))
+ return -ENOMEM;
ret = io_recvmsg_copy_hdr(req, req->async_data);
if (!ret)
req->flags |= REQ_F_NEED_CLEANUP;
diff --git a/io_uring/opdef.c b/io_uring/opdef.c
index 008320c5e958..c99db6f71244 100644
--- a/io_uring/opdef.c
+++ b/io_uring/opdef.c
@@ -146,6 +146,7 @@ const struct io_op_def io_op_defs[] = {
.unbound_nonreg_file = 1,
.pollout = 1,
.ioprio = 1,
+ .manual_alloc = 1,
.name = "SENDMSG",
#if defined(CONFIG_NET)
.async_size = sizeof(struct io_async_msghdr),
@@ -163,6 +164,7 @@ const struct io_op_def io_op_defs[] = {
.pollin = 1,
.buffer_select = 1,
.ioprio = 1,
+ .manual_alloc = 1,
.name = "RECVMSG",
#if defined(CONFIG_NET)
.async_size = sizeof(struct io_async_msghdr),