diff options
-rw-r--r-- | fs/io_uring.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index fd61708dba2b..728f3a368a01 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1287,9 +1287,12 @@ static bool io_identity_cow(struct io_kiocb *req) /* add one for this request */ refcount_inc(&id->count); - /* drop old identity, assign new one. one ref for req, one for tctx */ - if (req->work.identity != tctx->identity && - refcount_sub_and_test(2, &req->work.identity->count)) + /* drop tctx and req identity references, if needed */ + if (tctx->identity != &tctx->__identity && + refcount_dec_and_test(&tctx->identity->count)) + kfree(tctx->identity); + if (req->work.identity != &tctx->__identity && + refcount_dec_and_test(&req->work.identity->count)) kfree(req->work.identity); req->work.identity = id; |