diff options
| -rw-r--r-- | io_uring/register.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/io_uring/register.c b/io_uring/register.c index e28cc226217c..e3c20be5a198 100644 --- a/io_uring/register.c +++ b/io_uring/register.c @@ -39,9 +39,10 @@ static __cold int io_probe(struct io_ring_ctx *ctx, void __user *arg, size_t size; int i, ret; + if (nr_args > IORING_OP_LAST) + nr_args = IORING_OP_LAST; + size = struct_size(p, ops, nr_args); - if (size == SIZE_MAX) - return -EOVERFLOW; p = kzalloc(size, GFP_KERNEL); if (!p) return -ENOMEM; @@ -54,8 +55,6 @@ static __cold int io_probe(struct io_ring_ctx *ctx, void __user *arg, goto out; p->last_op = IORING_OP_LAST - 1; - if (nr_args > IORING_OP_LAST) - nr_args = IORING_OP_LAST; for (i = 0; i < nr_args; i++) { p->ops[i].op = i; |