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-rw-r--r--fs/io_uring.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 89e5b19044cc..7e8d28750053 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -330,6 +330,7 @@ struct io_timeout {
struct file *file;
u64 addr;
int flags;
+ unsigned count;
};
struct io_rw {
@@ -2902,7 +2903,12 @@ static int io_timeout_prep(struct io_kiocb *req, struct io_async_ctx *io,
if (flags & ~IORING_TIMEOUT_ABS)
return -EINVAL;
- data = &io->timeout;
+ req->timeout.count = READ_ONCE(sqe->off);
+
+ if (!io && io_alloc_async_ctx(req))
+ return -ENOMEM;
+
+ data = &req->io->timeout;
data->req = req;
req->flags |= REQ_F_TIMEOUT;
@@ -2920,7 +2926,6 @@ static int io_timeout_prep(struct io_kiocb *req, struct io_async_ctx *io,
static int io_timeout(struct io_kiocb *req)
{
- const struct io_uring_sqe *sqe = req->sqe;
unsigned count;
struct io_ring_ctx *ctx = req->ctx;
struct io_timeout_data *data;
@@ -2942,7 +2947,7 @@ static int io_timeout(struct io_kiocb *req)
* timeout event to be satisfied. If it isn't set, then this is
* a pure timeout request, sequence isn't used.
*/
- count = READ_ONCE(sqe->off);
+ count = req->timeout.count;
if (!count) {
req->flags |= REQ_F_TIMEOUT_NOSEQ;
spin_lock_irq(&ctx->completion_lock);