drivers/block/drbd: Use kzalloc

Use kzalloc rather than the combination of kmalloc and memset.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
expression x,size,flags;
statement S;
@@

-x = kmalloc(size,flags);
+x = kzalloc(size,flags);
 if (x == NULL) S
-memset(x, 0, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index f20336b..632e324 100644 (file)
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -1196,13 +1196,12 @@ static int drbd_nl_net_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
        }
 
        /* allocation not in the IO path, cqueue thread context */
-       new_conf = kmalloc(sizeof(struct net_conf), GFP_KERNEL);
+       new_conf = kzalloc(sizeof(struct net_conf), GFP_KERNEL);
        if (!new_conf) {
                retcode = ERR_NOMEM;
                goto fail;
        }
 
-       memset(new_conf, 0, sizeof(struct net_conf));
        new_conf->timeout          = DRBD_TIMEOUT_DEF;
        new_conf->try_connect_int  = DRBD_CONNECT_INT_DEF;
        new_conf->ping_int         = DRBD_PING_INT_DEF;