diff options
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/kbuf.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c index db5f189267b7..4b2f4a0ee962 100644 --- a/io_uring/kbuf.c +++ b/io_uring/kbuf.c @@ -494,7 +494,9 @@ int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg) if (copy_from_user(®, arg, sizeof(reg))) return -EFAULT; - if (reg.pad || reg.resv[0] || reg.resv[1] || reg.resv[2]) + if (reg.resv[0] || reg.resv[1] || reg.resv[2]) + return -EINVAL; + if (reg.flags) return -EINVAL; if (!reg.ring_addr) return -EFAULT; @@ -544,7 +546,9 @@ int io_unregister_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg) if (copy_from_user(®, arg, sizeof(reg))) return -EFAULT; - if (reg.pad || reg.resv[0] || reg.resv[1] || reg.resv[2]) + if (reg.resv[0] || reg.resv[1] || reg.resv[2]) + return -EINVAL; + if (reg.flags) return -EINVAL; bl = io_buffer_get_list(ctx, reg.bgid); |