[PATCH] kernel: replace "kmalloc+memset" with kzalloc in kernel/ dir

["Robert P. J. Day" <rpjday@mindspring.com>]

  Replace kmalloc()+memset() combination with kzalloc().

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>

---

 auditfilter.c |    3 +--
 futex.c       |    4 +---
 kexec.c       |    3 +--
 3 files changed, 3 insertions(+), 7 deletions(-)

diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index 4f40d92..2e896f8 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -636,10 +636,9 @@ static struct audit_rule *audit_krule_to
 	struct audit_rule *rule;
 	int i;

-	rule = kmalloc(sizeof(*rule), GFP_KERNEL);
+	rule = kzalloc(sizeof(*rule), GFP_KERNEL);
 	if (unlikely(!rule))
 		return NULL;
-	memset(rule, 0, sizeof(*rule));

 	rule->flags = krule->flags | krule->listnr;
 	rule->action = krule->action;
diff --git a/kernel/futex.c b/kernel/futex.c
index 93ef30b..999bfaf 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -324,12 +324,10 @@ static int refill_pi_state_cache(void)
 	if (likely(current->pi_state_cache))
 		return 0;

-	pi_state = kmalloc(sizeof(*pi_state), GFP_KERNEL);
-
+	pi_state = kzalloc(sizeof(*pi_state), GFP_KERNEL);
 	if (!pi_state)
 		return -ENOMEM;

-	memset(pi_state, 0, sizeof(*pi_state));
 	INIT_LIST_HEAD(&pi_state->list);
 	/* pi_mutex gets initialized later */
 	pi_state->owner = NULL;
diff --git a/kernel/kexec.c b/kernel/kexec.c
index fcdd5d2..d43692c 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -108,11 +108,10 @@ static int do_kimage_alloc(struct kimage

 	/* Allocate a controlling structure */
 	result = -ENOMEM;
-	image = kmalloc(sizeof(*image), GFP_KERNEL);
+	image = kzalloc(sizeof(*image), GFP_KERNEL);
 	if (!image)
 		goto out;

-	memset(image, 0, sizeof(*image));
 	image->head = 0;
 	image->entry = &image->head;
 	image->last_entry = &image->head;
-
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