2 files changed, 4 insertions, 10 deletions

diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index d06a8d71c71d..54d35c130907 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -531,12 +531,11 @@ int appldata_register_ops(struct appldata_ops *ops)
                 P_ERROR("ctl_nr %i already in use!\n", ops->ctl_nr);
                 return -EBUSY;
         }
-        ops->ctl_table = kmalloc(4*sizeof(struct ctl_table), GFP_KERNEL);
+        ops->ctl_table = kzalloc(4*sizeof(struct ctl_table), GFP_KERNEL);
         if (ops->ctl_table == NULL) {
                 P_ERROR("Not enough memory for %s ctl_table!\n", ops->name);
                 return -ENOMEM;
         }
-        memset(ops->ctl_table, 0, 4*sizeof(struct ctl_table));
 
         spin_lock(&appldata_ops_lock);
         list_for_each(lh, &appldata_ops_list) {
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 896d39d0e4ce..06a3fbc12536 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -204,16 +204,13 @@ debug_areas_alloc(int pages_per_area, int nr_areas)
                         goto fail_malloc_areas2;
                 }
                 for(j = 0; j < pages_per_area; j++) {
-                        areas[i][j] = (debug_entry_t*)kmalloc(PAGE_SIZE,
-                                                GFP_KERNEL);
+                        areas[i][j] = kzalloc(PAGE_SIZE, GFP_KERNEL);
                         if(!areas[i][j]) {
                                 for(j--; j >=0 ; j--) {
                                         kfree(areas[i][j]);
                                 }
                                 kfree(areas[i]);
                                 goto fail_malloc_areas2;
-                        } else {
-                                memset(areas[i][j],0,PAGE_SIZE);
                         }
                 }
         }
@@ -249,14 +246,12 @@ debug_info_alloc(char *name, int pages_per_area, int nr_areas, int buf_size,
         rc = (debug_info_t*) kmalloc(sizeof(debug_info_t), GFP_KERNEL);
         if(!rc)
                 goto fail_malloc_rc;
-        rc->active_entries = (int*)kmalloc(nr_areas * sizeof(int), GFP_KERNEL);
+        rc->active_entries = kcalloc(nr_areas, sizeof(int), GFP_KERNEL);
         if(!rc->active_entries)
                 goto fail_malloc_active_entries;
-        memset(rc->active_entries, 0, nr_areas * sizeof(int));
-        rc->active_pages = (int*)kmalloc(nr_areas * sizeof(int), GFP_KERNEL);
+        rc->active_pages = kcalloc(nr_areas, sizeof(int), GFP_KERNEL);
         if(!rc->active_pages)
                 goto fail_malloc_active_pages;
-        memset(rc->active_pages, 0, nr_areas * sizeof(int));
         if((mode == ALL_AREAS) && (pages_per_area != 0)){
                 rc->areas = debug_areas_alloc(pages_per_area, nr_areas);
                 if(!rc->areas)