[src/trunk]: src/sys/dev/dm dm: Remove void casts of function calls

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

details:   https://anonhg.NetBSD.org/src/rev/92252612d5de
branches:  trunk
changeset: 847177:92252612d5de
user:      tkusumi <tkusumi%NetBSD.org@localhost>
date:      Sat Dec 14 10:49:30 2019 +0000

description:
dm: Remove void casts of function calls

Use of void casts in dm is not consistent, just get rid of them.

diffstat:

 sys/dev/dm/device-mapper.c |   9 ++++-----
 sys/dev/dm/dm_dev.c        |  10 +++++-----
 sys/dev/dm/dm_table.c      |   6 +++---
 sys/dev/dm/dm_target.c     |  10 +++++-----
 4 files changed, 17 insertions(+), 18 deletions(-)

diffs (141 lines):

diff -r fef45ea13532 -r 92252612d5de sys/dev/dm/device-mapper.c
--- a/sys/dev/dm/device-mapper.c        Sat Dec 14 10:02:35 2019 +0000
+++ b/sys/dev/dm/device-mapper.c        Sat Dec 14 10:49:30 2019 +0000
@@ -1,4 +1,4 @@
-/*        $NetBSD: device-mapper.c,v 1.49 2019/12/11 14:03:37 tkusumi Exp $ */
+/*        $NetBSD: device-mapper.c,v 1.50 2019/12/14 10:49:30 tkusumi Exp $ */
 
 /*
  * Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -282,7 +282,7 @@
        disk_destroy(dmv->diskp);
 
        /* Destroy device */
-       (void)dm_dev_free(dmv);
+       dm_dev_free(dmv);
 
        /* Decrement device counter After removing device */
        atomic_dec_32(&dm_dev_counter);
@@ -505,9 +505,8 @@
                 * Call sync target routine for all table entries. Target sync
                 * routine basically call DIOCCACHESYNC on underlying devices.
                 */
-               SLIST_FOREACH(table_en, tbl, next) {
-                       (void)table_en->target->sync(table_en);
-               }
+               SLIST_FOREACH(table_en, tbl, next)
+                       table_en->target->sync(table_en);
                dm_table_release(&dmv->table_head, DM_TABLE_ACTIVE);
                dm_dev_unbusy(dmv);
                break;
diff -r fef45ea13532 -r 92252612d5de sys/dev/dm/dm_dev.c
--- a/sys/dev/dm/dm_dev.c       Sat Dec 14 10:02:35 2019 +0000
+++ b/sys/dev/dm/dm_dev.c       Sat Dec 14 10:49:30 2019 +0000
@@ -1,4 +1,4 @@
-/*        $NetBSD: dm_dev.c,v 1.14 2019/12/07 15:28:39 tkusumi Exp $      */
+/*        $NetBSD: dm_dev.c,v 1.15 2019/12/14 10:49:30 tkusumi Exp $      */
 
 /*
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dm_dev.c,v 1.14 2019/12/07 15:28:39 tkusumi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dm_dev.c,v 1.15 2019/12/14 10:49:30 tkusumi Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -306,7 +306,7 @@
                mutex_destroy(&dmv->dev_mtx);
                cv_destroy(&dmv->dev_cv);
 
-               (void)kmem_free(dmv, sizeof(dm_dev_t));
+               kmem_free(dmv, sizeof(dm_dev_t));
        }
        mutex_exit(&dm_dev_mutex);
 
@@ -340,9 +340,9 @@
        cv_destroy(&dmv->dev_cv);
 
        if (dmv->diskp != NULL)
-               (void)kmem_free(dmv->diskp, sizeof(struct disk));
+               kmem_free(dmv->diskp, sizeof(struct disk));
 
-       (void)kmem_free(dmv, sizeof(dm_dev_t));
+       kmem_free(dmv, sizeof(dm_dev_t));
 
        return 0;
 }
diff -r fef45ea13532 -r 92252612d5de sys/dev/dm/dm_table.c
--- a/sys/dev/dm/dm_table.c     Sat Dec 14 10:02:35 2019 +0000
+++ b/sys/dev/dm/dm_table.c     Sat Dec 14 10:49:30 2019 +0000
@@ -1,4 +1,4 @@
-/*        $NetBSD: dm_table.c,v 1.12 2019/12/07 15:28:39 tkusumi Exp $      */
+/*        $NetBSD: dm_table.c,v 1.13 2019/12/14 10:49:30 tkusumi Exp $      */
 
 /*
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dm_table.c,v 1.12 2019/12/07 15:28:39 tkusumi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dm_table.c,v 1.13 2019/12/14 10:49:30 tkusumi Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -248,7 +248,7 @@
        secsize = 0;
        SLIST_FOREACH(table_en, tbl, next) {
                length += table_en->length;
-               (void)table_en->target->secsize(table_en, &tsecsize);
+               table_en->target->secsize(table_en, &tsecsize);
                if (secsize < tsecsize)
                        secsize = tsecsize;
        }
diff -r fef45ea13532 -r 92252612d5de sys/dev/dm/dm_target.c
--- a/sys/dev/dm/dm_target.c    Sat Dec 14 10:02:35 2019 +0000
+++ b/sys/dev/dm/dm_target.c    Sat Dec 14 10:49:30 2019 +0000
@@ -1,4 +1,4 @@
-/*        $NetBSD: dm_target.c,v 1.27 2019/12/13 16:15:54 tkusumi Exp $      */
+/*        $NetBSD: dm_target.c,v 1.28 2019/12/14 10:49:30 tkusumi Exp $      */
 
 /*
  * Copyright (c) 2008 The NetBSD Foundation, Inc.
@@ -29,7 +29,7 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: dm_target.c,v 1.27 2019/12/13 16:15:54 tkusumi Exp $");
+__KERNEL_RCSID(0, "$NetBSD: dm_target.c,v 1.28 2019/12/14 10:49:30 tkusumi Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -87,7 +87,7 @@
                gen = module_gen;
 
                /* Try to autoload target module */
-               (void)module_autoload(name, MODULE_CLASS_MISC);
+               module_autoload(name, MODULE_CLASS_MISC);
        } while (gen != module_gen);
 
        mutex_enter(&dm_target_mutex);
@@ -228,7 +228,7 @@
 
        mutex_exit(&dm_target_mutex);
 
-       (void)kmem_free(dmt, sizeof(dm_target_t));
+       kmem_free(dmt, sizeof(dm_target_t));
 
        return 0;
 }
@@ -247,7 +247,7 @@
 
        while ((dm_target = TAILQ_FIRST(&dm_target_list)) != NULL) {
                TAILQ_REMOVE(&dm_target_list, dm_target, dm_target_next);
-               (void)kmem_free(dm_target, sizeof(dm_target_t));
+               kmem_free(dm_target, sizeof(dm_target_t));
        }
        KASSERT(TAILQ_EMPTY(&dm_target_list));