[src/trunk]: src/sys/opencrypto As requested by mrg@, since there is still a ...

[pgoyette <pgoyette%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/c55b38d4f337
branches:  trunk
changeset: 793024:c55b38d4f337
user:      pgoyette <pgoyette%NetBSD.org@localhost>
date:      Fri Jan 24 15:11:09 2014 +0000

description:
As requested by mrg@, since there is still a small window during which
the in-module ref-counting can fail, completely disable auto-unload.

diffstat:

 sys/opencrypto/cryptodev.c |  9 +++++++--
 1 files changed, 7 insertions(+), 2 deletions(-)

diffs (31 lines):

diff -r 8fc416ac6f12 -r c55b38d4f337 sys/opencrypto/cryptodev.c
--- a/sys/opencrypto/cryptodev.c        Fri Jan 24 14:52:00 2014 +0000
+++ b/sys/opencrypto/cryptodev.c        Fri Jan 24 15:11:09 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cryptodev.c,v 1.74 2014/01/21 20:33:01 pgoyette Exp $ */
+/*     $NetBSD: cryptodev.c,v 1.75 2014/01/24 15:11:09 pgoyette Exp $ */
 /*     $FreeBSD: src/sys/opencrypto/cryptodev.c,v 1.4.2.4 2003/06/03 00:09:02 sam Exp $        */
 /*     $OpenBSD: cryptodev.c,v 1.53 2002/07/10 22:21:30 mickey Exp $   */
 
@@ -64,7 +64,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cryptodev.c,v 1.74 2014/01/21 20:33:01 pgoyette Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cryptodev.c,v 1.75 2014/01/24 15:11:09 pgoyette Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -2224,7 +2224,12 @@
                return error;
 #ifdef _MODULE
        case MODULE_CMD_AUTOUNLOAD:
+#if 0  /*
+        * XXX Completely disable auto-unload for now, since there is still
+        * XXX a (small) window where in-module ref-counting doesn't help
+        */
                if (crypto_refcount != 0)
+#endif
                        return EBUSY;
        /* FALLTHROUGH */
 #endif