[PATCH] Staging: lustre: Use kmemdup() instead of kzalloc and memcpy

[Shreeya Patel]

Replace calls to kzalloc or kmalloc followed by a memcpy with
a direct call to kmemdup to shorten the code.

The Coccinelle semantic patch used to make this change is as follows:
@@
expression from,to,size,flag;
statement S;
@@

-  to = \(kmalloc\|kzalloc\)(size,flag);
+  to = kmemdup(from,size,flag);
   if (to==NULL || ...) S
-  memcpy(to, from, size);

Signed-off-by: Shreeya Patel <shreeya.patel23...@gmail.com>
---
 drivers/staging/lustre/lnet/lnet/api-ni.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/staging/lustre/lnet/lnet/api-ni.c 
b/drivers/staging/lustre/lnet/lnet/api-ni.c
index f9ed697..36ea14e 100644
--- a/drivers/staging/lustre/lnet/lnet/api-ni.c
+++ b/drivers/staging/lustre/lnet/lnet/api-ni.c
@@ -1271,15 +1271,14 @@ lnet_startup_lndni(struct lnet_ni *ni, struct 
lnet_ioctl_config_data *conf)
                lnd_tunables = (struct lnet_ioctl_config_lnd_tunables 
*)conf->cfg_bulk;
 
        if (lnd_tunables) {
-               ni->ni_lnd_tunables = kzalloc(sizeof(*ni->ni_lnd_tunables),
+               ni->ni_lnd_tunables = kmemdup(lnd_tunables,
+                                             sizeof(*ni->ni_lnd_tunables),
                                              GFP_NOFS);
                if (!ni->ni_lnd_tunables) {
                        mutex_unlock(&the_lnet.ln_lnd_mutex);
                        rc = -ENOMEM;
                        goto failed0;
                }
-               memcpy(ni->ni_lnd_tunables, lnd_tunables,
-                      sizeof(*ni->ni_lnd_tunables));
        }
 
        /*
-- 
2.7.4