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Message-ID: <20071012171628.GU24157@agk.fab.redhat.com>
Date: Fri, 12 Oct 2007 18:16:28 +0100
From: Alasdair G Kergon <agk@...hat.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: dm-devel@...hat.com, linux-kernel@...r.kernel.org,
Dmitry Monakhov <dmonakhov@...nvz.org>
Subject: [2.6.24 PATCH 10/25] dm: use kzalloc
From: Dmitry Monakhov <dmonakhov@...nvz.org>
Convert kmalloc() + memset() to kzalloc().
Signed-off-by: Dmitry Monakhov <dmonakhov@...nvz.org>
Signed-off-by: Alasdair G Kergon <agk@...hat.com>
---
drivers/md/dm-emc.c | 6 ++----
drivers/md/dm-hw-handler.c | 6 ++----
drivers/md/dm-path-selector.c | 6 ++----
drivers/md/dm-table.c | 3 +--
drivers/md/dm-target.c | 6 ++----
5 files changed, 9 insertions(+), 18 deletions(-)
Index: linux-2.6.23/drivers/md/dm-emc.c
===================================================================
--- linux-2.6.23.orig/drivers/md/dm-emc.c 2007-10-12 13:14:40.000000000 +0100
+++ linux-2.6.23/drivers/md/dm-emc.c 2007-10-12 13:15:40.000000000 +0100
@@ -213,12 +213,10 @@ fail_path:
static struct emc_handler *alloc_emc_handler(void)
{
- struct emc_handler *h = kmalloc(sizeof(*h), GFP_KERNEL);
+ struct emc_handler *h = kzalloc(sizeof(*h), GFP_KERNEL);
- if (h) {
- memset(h, 0, sizeof(*h));
+ if (h)
spin_lock_init(&h->lock);
- }
return h;
}
Index: linux-2.6.23/drivers/md/dm-hw-handler.c
===================================================================
--- linux-2.6.23.orig/drivers/md/dm-hw-handler.c 2007-10-12 12:36:14.000000000 +0100
+++ linux-2.6.23/drivers/md/dm-hw-handler.c 2007-10-12 13:15:40.000000000 +0100
@@ -91,12 +91,10 @@ void dm_put_hw_handler(struct hw_handler
static struct hwh_internal *_alloc_hw_handler(struct hw_handler_type *hwht)
{
- struct hwh_internal *hwhi = kmalloc(sizeof(*hwhi), GFP_KERNEL);
+ struct hwh_internal *hwhi = kzalloc(sizeof(*hwhi), GFP_KERNEL);
- if (hwhi) {
- memset(hwhi, 0, sizeof(*hwhi));
+ if (hwhi)
hwhi->hwht = *hwht;
- }
return hwhi;
}
Index: linux-2.6.23/drivers/md/dm-path-selector.c
===================================================================
--- linux-2.6.23.orig/drivers/md/dm-path-selector.c 2007-10-12 12:36:14.000000000 +0100
+++ linux-2.6.23/drivers/md/dm-path-selector.c 2007-10-12 13:15:40.000000000 +0100
@@ -94,12 +94,10 @@ out:
static struct ps_internal *_alloc_path_selector(struct path_selector_type *pst)
{
- struct ps_internal *psi = kmalloc(sizeof(*psi), GFP_KERNEL);
+ struct ps_internal *psi = kzalloc(sizeof(*psi), GFP_KERNEL);
- if (psi) {
- memset(psi, 0, sizeof(*psi));
+ if (psi)
psi->pst = *pst;
- }
return psi;
}
Index: linux-2.6.23/drivers/md/dm-table.c
===================================================================
--- linux-2.6.23.orig/drivers/md/dm-table.c 2007-10-12 12:36:14.000000000 +0100
+++ linux-2.6.23/drivers/md/dm-table.c 2007-10-12 13:15:40.000000000 +0100
@@ -213,12 +213,11 @@ static int alloc_targets(struct dm_table
int dm_table_create(struct dm_table **result, int mode,
unsigned num_targets, struct mapped_device *md)
{
- struct dm_table *t = kmalloc(sizeof(*t), GFP_KERNEL);
+ struct dm_table *t = kzalloc(sizeof(*t), GFP_KERNEL);
if (!t)
return -ENOMEM;
- memset(t, 0, sizeof(*t));
INIT_LIST_HEAD(&t->devices);
atomic_set(&t->holders, 1);
Index: linux-2.6.23/drivers/md/dm-target.c
===================================================================
--- linux-2.6.23.orig/drivers/md/dm-target.c 2007-10-12 12:36:14.000000000 +0100
+++ linux-2.6.23/drivers/md/dm-target.c 2007-10-12 13:15:40.000000000 +0100
@@ -88,12 +88,10 @@ void dm_put_target_type(struct target_ty
static struct tt_internal *alloc_target(struct target_type *t)
{
- struct tt_internal *ti = kmalloc(sizeof(*ti), GFP_KERNEL);
+ struct tt_internal *ti = kzalloc(sizeof(*ti), GFP_KERNEL);
- if (ti) {
- memset(ti, 0, sizeof(*ti));
+ if (ti)
ti->tt = *t;
- }
return ti;
}
-
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