diff options
Diffstat (limited to 'io_uring/sqpoll.c')
| -rw-r--r-- | io_uring/sqpoll.c | 29 |
1 files changed, 8 insertions, 21 deletions
diff --git a/io_uring/sqpoll.c b/io_uring/sqpoll.c index a26593979887..d5f0c3d9c35f 100644 --- a/io_uring/sqpoll.c +++ b/io_uring/sqpoll.c @@ -106,29 +106,21 @@ static struct io_sq_data *io_attach_sq_data(struct io_uring_params *p) { struct io_ring_ctx *ctx_attach; struct io_sq_data *sqd; - struct fd f; + CLASS(fd, f)(p->wq_fd); - f = fdget(p->wq_fd); - if (!fd_file(f)) + if (fd_empty(f)) return ERR_PTR(-ENXIO); - if (!io_is_uring_fops(fd_file(f))) { - fdput(f); + if (!io_is_uring_fops(fd_file(f))) return ERR_PTR(-EINVAL); - } ctx_attach = fd_file(f)->private_data; sqd = ctx_attach->sq_data; - if (!sqd) { - fdput(f); + if (!sqd) return ERR_PTR(-EINVAL); - } - if (sqd->task_tgid != current->tgid) { - fdput(f); + if (sqd->task_tgid != current->tgid) return ERR_PTR(-EPERM); - } refcount_inc(&sqd->refs); - fdput(f); return sqd; } @@ -417,16 +409,11 @@ __cold int io_sq_offload_create(struct io_ring_ctx *ctx, /* Retain compatibility with failing for an invalid attach attempt */ if ((ctx->flags & (IORING_SETUP_ATTACH_WQ | IORING_SETUP_SQPOLL)) == IORING_SETUP_ATTACH_WQ) { - struct fd f; - - f = fdget(p->wq_fd); - if (!fd_file(f)) + CLASS(fd, f)(p->wq_fd); + if (fd_empty(f)) return -ENXIO; - if (!io_is_uring_fops(fd_file(f))) { - fdput(f); + if (!io_is_uring_fops(fd_file(f))) return -EINVAL; - } - fdput(f); } if (ctx->flags & IORING_SETUP_SQPOLL) { struct task_struct *tsk; |