[PATCH] kernel core: replace kmalloc+memset with kzalloc
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/ipc/sem.c b/ipc/sem.c
index 21b3289..d3e12ef 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -1070,14 +1070,13 @@
ipc_rcu_getref(sma);
sem_unlock(sma);
- new = (struct sem_undo *) kmalloc(sizeof(struct sem_undo) + sizeof(short)*nsems, GFP_KERNEL);
+ new = kzalloc(sizeof(struct sem_undo) + sizeof(short)*nsems, GFP_KERNEL);
if (!new) {
ipc_lock_by_ptr(&sma->sem_perm);
ipc_rcu_putref(sma);
sem_unlock(sma);
return ERR_PTR(-ENOMEM);
}
- memset(new, 0, sizeof(struct sem_undo) + sizeof(short)*nsems);
new->semadj = (short *) &new[1];
new->semid = semid;
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 @@
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 af7b81c..7c0d0d4 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -324,12 +324,11 @@
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 @@
/* 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;
diff --git a/lib/kobject.c b/lib/kobject.c
index 744a4b1..7ce6dc1 100644
--- a/lib/kobject.c
+++ b/lib/kobject.c
@@ -111,10 +111,9 @@
len = get_kobj_path_length(kobj);
if (len == 0)
return NULL;
- path = kmalloc(len, gfp_mask);
+ path = kzalloc(len, gfp_mask);
if (!path)
return NULL;
- memset(path, 0x00, len);
fill_kobj_path(kobj, path, len);
return path;
diff --git a/mm/nommu.c b/mm/nommu.c
index 6a2a8aa..af87456 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -808,10 +808,9 @@
vm_flags = determine_vm_flags(file, prot, flags, capabilities);
/* we're going to need to record the mapping if it works */
- vml = kmalloc(sizeof(struct vm_list_struct), GFP_KERNEL);
+ vml = kzalloc(sizeof(struct vm_list_struct), GFP_KERNEL);
if (!vml)
goto error_getting_vml;
- memset(vml, 0, sizeof(*vml));
down_write(&nommu_vma_sem);
@@ -887,11 +886,10 @@
}
/* we're going to need a VMA struct as well */
- vma = kmalloc(sizeof(struct vm_area_struct), GFP_KERNEL);
+ vma = kzalloc(sizeof(struct vm_area_struct), GFP_KERNEL);
if (!vma)
goto error_getting_vma;
- memset(vma, 0, sizeof(*vma));
INIT_LIST_HEAD(&vma->anon_vma_node);
atomic_set(&vma->vm_usage, 1);
if (file)