[PATCH] s390: kzalloc() conversion in arch/s390

Convert all kmalloc + memset sequences in arch/s390 to kzalloc usage.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index d06a8d7..54d35c1 100644 (file)
--- 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 896d39d..06a3fbc 100644 (file)
--- 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)