| // SPDX-License-Identifier: GPL-2.0 | |
| #include <asm/facility.h> | |
| #include <uapi/asm-generic/errno.h> | |
| #include "vdso.h" | |
| ssize_t __kernel_getrandom(void *buffer, size_t len, unsigned int flags, void *opaque_state, size_t opaque_len) | |
| { | |
| if (test_facility(129)) | |
| return __cvdso_getrandom(buffer, len, flags, opaque_state, opaque_len); | |
| if (unlikely(opaque_len == ~0UL && !buffer && !len && !flags)) | |
| return -ENOSYS; | |
| return getrandom_syscall(buffer, len, flags); | |
| } |