kcalloc checks for n * sizeof(element) overflows and it zeros.
Signed-off-by: Milton Miller <[email protected]>
Index: kernel/kernel/sched.c
===================================================================
--- kernel.orig/kernel/sched.c 2007-10-12 03:58:35.000000000 -0500
+++ kernel/kernel/sched.c 2007-10-12 03:58:38.000000000 -0500
@@ -5283,10 +5283,9 @@ static struct ctl_table sd_ctl_root[] =
static struct ctl_table *sd_alloc_ctl_entry(int n)
{
struct ctl_table *entry =
- kmalloc(n * sizeof(struct ctl_table), GFP_KERNEL);
+ kcalloc(n, sizeof(struct ctl_table), GFP_KERNEL);
BUG_ON(!entry);
- memset(entry, 0, n * sizeof(struct ctl_table));
return entry;
}
@@ -6080,7 +6079,7 @@ static int build_sched_domains(const cpu
/*
* Allocate the per-node list of sched groups
*/
- sched_group_nodes = kzalloc(sizeof(struct sched_group *)*MAX_NUMNODES,
+ sched_group_nodes = kcalloc(MAX_NUMNODES, sizeof(struct sched_group *),
GFP_KERNEL);
if (!sched_group_nodes) {
printk(KERN_WARNING "Can not alloc sched group node list\n");
-
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