kmalloc/kzalloc changes:

dv1394, eth1394, ieee1394, ohci1394, pcilynx, raw1394, sbp2c, video1394:
 - use kzalloc
 - provide safer size arguments to kmalloc and kzalloc
 - omit some casts

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Jody McIntyre <scjody@modernduck.com>

1 files changed, 6 insertions, 14 deletions

diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c
index 8355068b0696..97b6f48033c4 100644
--- a/drivers/ieee1394/ohci1394.c
+++ b/drivers/ieee1394/ohci1394.c
@@ -2957,28 +2957,23 @@ alloc_dma_rcv_ctx(struct ti_ohci *ohci, struct dma_rcv_ctx *d,
         d->ctrlClear = 0;
         d->cmdPtr = 0;
 
-        d->buf_cpu = kmalloc(d->num_desc * sizeof(quadlet_t*), GFP_ATOMIC);
-        d->buf_bus = kmalloc(d->num_desc * sizeof(dma_addr_t), GFP_ATOMIC);
+        d->buf_cpu = kzalloc(d->num_desc * sizeof(*d->buf_cpu), GFP_ATOMIC);
+        d->buf_bus = kzalloc(d->num_desc * sizeof(*d->buf_bus), GFP_ATOMIC);
 
         if (d->buf_cpu == NULL || d->buf_bus == NULL) {
                 PRINT(KERN_ERR, "Failed to allocate dma buffer");
                 free_dma_rcv_ctx(d);
                 return -ENOMEM;
         }
-        memset(d->buf_cpu, 0, d->num_desc * sizeof(quadlet_t*));
-        memset(d->buf_bus, 0, d->num_desc * sizeof(dma_addr_t));
 
-        d->prg_cpu = kmalloc(d->num_desc * sizeof(struct dma_cmd*),
-                                GFP_ATOMIC);
-        d->prg_bus = kmalloc(d->num_desc * sizeof(dma_addr_t), GFP_ATOMIC);
+        d->prg_cpu = kzalloc(d->num_desc * sizeof(*d->prg_cpu), GFP_ATOMIC);
+        d->prg_bus = kzalloc(d->num_desc * sizeof(*d->prg_bus), GFP_ATOMIC);
 
         if (d->prg_cpu == NULL || d->prg_bus == NULL) {
                 PRINT(KERN_ERR, "Failed to allocate dma prg");
                 free_dma_rcv_ctx(d);
                 return -ENOMEM;
         }
-        memset(d->prg_cpu, 0, d->num_desc * sizeof(struct dma_cmd*));
-        memset(d->prg_bus, 0, d->num_desc * sizeof(dma_addr_t));
 
         d->spb = kmalloc(d->split_buf_size, GFP_ATOMIC);
 
@@ -3090,17 +3085,14 @@ alloc_dma_trm_ctx(struct ti_ohci *ohci, struct dma_trm_ctx *d,
         d->ctrlClear = 0;
         d->cmdPtr = 0;
 
-        d->prg_cpu = kmalloc(d->num_desc * sizeof(struct at_dma_prg*),
-                             GFP_KERNEL);
-        d->prg_bus = kmalloc(d->num_desc * sizeof(dma_addr_t), GFP_KERNEL);
+        d->prg_cpu = kzalloc(d->num_desc * sizeof(*d->prg_cpu), GFP_KERNEL);
+        d->prg_bus = kzalloc(d->num_desc * sizeof(*d->prg_bus), GFP_KERNEL);
 
         if (d->prg_cpu == NULL || d->prg_bus == NULL) {
                 PRINT(KERN_ERR, "Failed to allocate at dma prg");
                 free_dma_trm_ctx(d);
                 return -ENOMEM;
         }
-        memset(d->prg_cpu, 0, d->num_desc * sizeof(struct at_dma_prg*));
-        memset(d->prg_bus, 0, d->num_desc * sizeof(dma_addr_t));
 
         len = sprintf(pool_name, "ohci1394_trm_prg");
         sprintf(pool_name+len, "%d", num_allocs);