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- acquire lock 

- use c99 loop indexes
- initialize featp
This commit is contained in:
christos 2017-06-06 18:08:23 +00:00
parent bc0c5fd82b
commit 8bbf9e0cc7
1 changed files with 17 additions and 15 deletions
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32
sys/opencrypto/crypto.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: crypto.c,v 1.84 2017/06/06 04:11:41 knakahara Exp $ */
/* $NetBSD: crypto.c,v 1.85 2017/06/06 18:08:23 christos Exp $ */
/* $FreeBSD: src/sys/opencrypto/crypto.c,v 1.4.2.5 2003/02/26 00:14:05 sam Exp $ */
/* $OpenBSD: crypto.c,v 1.41 2002/07/17 23:52:38 art Exp $ */
@ -53,7 +53,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: crypto.c,v 1.84 2017/06/06 04:11:41 knakahara Exp $");
__KERNEL_RCSID(0, "$NetBSD: crypto.c,v 1.85 2017/06/06 18:08:23 christos Exp $");
#include <sys/param.h>
#include <sys/reboot.h>
@ -1530,34 +1530,36 @@ crypto_kdone(struct cryptkop *krp)
int
crypto_getfeat(int *featp)
{
int hid, kalg, feat = 0;
if (crypto_userasymcrypto == 0)
if (crypto_userasymcrypto == 0) {
*featp = 0;
return 0;
}
mutex_enter(&crypto_drv_mtx);
for (hid = 0; hid < crypto_drivers_num; hid++) {
int feat = 0;
for (int hid = 0; hid < crypto_drivers_num; hid++) {
struct cryptocap *cap;
cap = crypto_checkdriver_uninit(hid);
if (cap == NULL)
continue;
crypto_driver_lock(cap);
if ((cap->cc_flags & CRYPTOCAP_F_SOFTWARE) &&
crypto_devallowsoft == 0) {
crypto_driver_unlock(cap);
continue;
}
if (cap->cc_kprocess == NULL) {
crypto_driver_unlock(cap);
continue;
}
for (kalg = 0; kalg < CRK_ALGORITHM_MAX; kalg++)
crypto_devallowsoft == 0)
goto unlock;
if (cap->cc_kprocess == NULL)
goto unlock;
for (int kalg = 0; kalg < CRK_ALGORITHM_MAX; kalg++)
if ((cap->cc_kalg[kalg] &
CRYPTO_ALG_FLAG_SUPPORTED) != 0)
feat |= 1 << kalg;
crypto_driver_unlock(cap);
unlock: crypto_driver_unlock(cap);
}
mutex_exit(&crypto_drv_mtx);