simplify mutex_enter/exit(crypto_q_mtx), and fix missing exit.
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parent
14a58cc1cc
commit
fb94c95efb
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@ -1,4 +1,4 @@
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/* $NetBSD: crypto.c,v 1.90 2017/06/15 12:45:10 knakahara Exp $ */
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/* $NetBSD: crypto.c,v 1.91 2017/06/26 05:34:48 knakahara Exp $ */
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/* $FreeBSD: src/sys/opencrypto/crypto.c,v 1.4.2.5 2003/02/26 00:14:05 sam Exp $ */
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/* $OpenBSD: crypto.c,v 1.41 2002/07/17 23:52:38 art Exp $ */
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@ -53,7 +53,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: crypto.c,v 1.90 2017/06/15 12:45:10 knakahara Exp $");
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__KERNEL_RCSID(0, "$NetBSD: crypto.c,v 1.91 2017/06/26 05:34:48 knakahara Exp $");
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#include <sys/param.h>
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#include <sys/reboot.h>
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@ -1117,8 +1117,8 @@ crypto_dispatch(struct cryptop *crp)
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* to other drivers in cryptointr() later.
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*/
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TAILQ_INSERT_TAIL(&crp_q, crp, crp_next);
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mutex_exit(&crypto_q_mtx);
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return 0;
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result = 0;
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goto out;
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}
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if (cap->cc_qblocked != 0) {
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@ -1128,8 +1128,8 @@ crypto_dispatch(struct cryptop *crp)
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* it unblocks and the swi thread gets kicked.
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*/
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TAILQ_INSERT_TAIL(&crp_q, crp, crp_next);
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mutex_exit(&crypto_q_mtx);
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return 0;
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result = 0;
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goto out;
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}
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/*
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@ -1159,6 +1159,7 @@ crypto_dispatch(struct cryptop *crp)
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result = 0;
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}
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out:
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mutex_exit(&crypto_q_mtx);
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return result;
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}
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@ -1186,8 +1187,8 @@ crypto_kdispatch(struct cryptkop *krp)
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*/
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if (cap == NULL) {
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TAILQ_INSERT_TAIL(&crp_kq, krp, krp_next);
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mutex_exit(&crypto_q_mtx);
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return 0;
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result = 0;
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goto out;
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}
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if (cap->cc_kqblocked != 0) {
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@ -1197,8 +1198,8 @@ crypto_kdispatch(struct cryptkop *krp)
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* it unblocks and the swi thread gets kicked.
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*/
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TAILQ_INSERT_TAIL(&crp_kq, krp, krp_next);
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mutex_exit(&crypto_q_mtx);
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return 0;
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result = 0;
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goto out;
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}
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crypto_driver_unlock(cap);
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@ -1214,7 +1215,6 @@ crypto_kdispatch(struct cryptkop *krp)
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crypto_driver_unlock(cap);
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TAILQ_INSERT_HEAD(&crp_kq, krp, krp_next);
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cryptostats.cs_kblocks++;
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mutex_exit(&crypto_q_mtx);
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/*
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* The krp is enqueued to crp_kq, that is,
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@ -1224,6 +1224,8 @@ crypto_kdispatch(struct cryptkop *krp)
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result = 0;
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}
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out:
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mutex_exit(&crypto_q_mtx);
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return result;
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}
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