File: vgetrandom.c

package info (click to toggle)
linux 6.19.4-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 1,759,672 kB
  • sloc: ansic: 27,007,359; asm: 273,393; sh: 151,330; python: 81,278; makefile: 58,557; perl: 34,311; xml: 21,064; cpp: 5,986; yacc: 4,841; lex: 2,901; awk: 1,707; sed: 30; ruby: 25
file content (14 lines) | stat: -rw-r--r-- 462 bytes parent folder | download | duplicates (29) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
// 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);
}