Re: [PATCH] net: wan: Use dma_pool_zalloc

On Fri, Dec 9, 2016 at 6:33 PM, Krzysztof Hałasa [off-list ref] wrote:

Souptick Joarder [off-list ref] writes:

quoted

We should use dma_pool_zalloc instead of dma_pool_alloc/memset

Signed-off-by: Souptick joarder <redacted>
---
 drivers/net/wan/ixp4xx_hss.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c
index e7bbdb7..aaabf31 100644
--- a/drivers/net/wan/ixp4xx_hss.c
+++ b/drivers/net/wan/ixp4xx_hss.c

@@ -976,10 +976,9 @@ static int init_hdlc_queues(struct port *port)
                      return -ENOMEM;
      }

-     if (!(port->desc_tab = dma_pool_alloc(dma_pool, GFP_KERNEL,
-                                           &port->desc_tab_phys)))
+     if (!(port->desc_tab = dma_pool_zalloc(dma_pool, GFP_KERNEL,
+                                            &port->desc_tab_phys)))
              return -ENOMEM;
-     memset(port->desc_tab, 0, POOL_ALLOC_SIZE);
      memset(port->rx_buff_tab, 0, sizeof(port->rx_buff_tab)); /* tables */
      memset(port->tx_buff_tab, 0, sizeof(port->tx_buff_tab));

This look fine, feel free to send it to the netdev mailing list for
inclusion.

Including netdev mailing list based as requested.

Acked-by: Krzysztof Halasa <khalasa@piap.pl>
--
Krzysztof Halasa

Industrial Research Institute for Automation and Measurements PIAP
Al. Jerozolimskie 202, 02-486 Warsaw, Poland