usb : replace dma_pool_alloc and memset with dma_pool_zalloc

replace dma_pool_alloc and memset with a single call to dma_pool_zalloc

Signed-off-by: Saurabh Sengar <saurabh.truth@gmail.com>
Acked-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 391a1225b0ba..b292b454c77b 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -349,14 +349,13 @@ static int add_td_to_list(struct ci_hw_ep *hwep, struct ci_hw_req *hwreq,
         if (node == NULL)
                 return -ENOMEM;
 
-        node->ptr = dma_pool_alloc(hwep->td_pool, GFP_ATOMIC,
+        node->ptr = dma_pool_zalloc(hwep->td_pool, GFP_ATOMIC,
                                    &node->dma);
         if (node->ptr == NULL) {
                 kfree(node);
                 return -ENOMEM;
         }
 
-        memset(node->ptr, 0, sizeof(struct ci_hw_td));
         node->ptr->token = cpu_to_le32(length << __ffs(TD_TOTAL_BYTES));
         node->ptr->token &= cpu_to_le32(TD_TOTAL_BYTES);
         node->ptr->token |= cpu_to_le32(TD_STATUS_ACTIVE);