diff options
| -rw-r--r-- | fs/io_uring.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 0a894d7baceb..5954047ee96d 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -2319,10 +2319,6 @@ static int io_sq_offload_start(struct io_ring_ctx *ctx, mmgrab(current->mm); ctx->sqo_mm = current->mm; - ret = -EINVAL; - if (!cpu_possible(p->sq_thread_cpu)) - goto err; - if (ctx->flags & IORING_SETUP_SQPOLL) { ret = -EPERM; if (!capable(CAP_SYS_ADMIN)) @@ -2333,11 +2329,11 @@ static int io_sq_offload_start(struct io_ring_ctx *ctx, ctx->sq_thread_idle = HZ; if (p->flags & IORING_SETUP_SQ_AFF) { - int cpu; + int cpu = array_index_nospec(p->sq_thread_cpu, + nr_cpu_ids); - cpu = array_index_nospec(p->sq_thread_cpu, NR_CPUS); ret = -EINVAL; - if (!cpu_possible(p->sq_thread_cpu)) + if (!cpu_possible(cpu)) goto err; ctx->sqo_thread = kthread_create_on_cpu(io_sq_thread, |