diff options
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/register.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/io_uring/register.c b/io_uring/register.c index 708dd1d89add4..5e62c12089965 100644 --- a/io_uring/register.c +++ b/io_uring/register.c @@ -14,6 +14,7 @@ #include <linux/slab.h> #include <linux/uaccess.h> #include <linux/nospec.h> +#include <linux/compat.h> #include <linux/io_uring.h> #include <linux/io_uring_types.h> @@ -278,13 +279,14 @@ static __cold int io_register_iowq_aff(struct io_ring_ctx *ctx, if (len > cpumask_size()) len = cpumask_size(); - if (in_compat_syscall()) { +#ifdef CONFIG_COMPAT + if (in_compat_syscall()) ret = compat_get_bitmap(cpumask_bits(new_mask), (const compat_ulong_t __user *)arg, len * 8 /* CHAR_BIT */); - } else { + else +#endif ret = copy_from_user(new_mask, arg, len); - } if (ret) { free_cpumask_var(new_mask); |