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NFS: Replace various occurrences of kstrndup() with kmemdup_nul() 

When we already know the string length, it is more efficient to
use kmemdup_nul().

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
[Anna - Changes to super.c were already made during fscontext conversion]
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2020-02-02 17:57:07 -05:00 committed by Anna Schumaker
parent 10717f4563
commit a8bd9ddf39
2 changed files with 2 additions and 2 deletions
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2
fs/nfs/dns_resolve.c
View File

@ -93,7 +93,7 @@ static void nfs_dns_ent_init(struct cache_head *cnew,
key = container_of(ckey, struct nfs_dns_ent, h);
kfree(new->hostname);
new->hostname = kstrndup(key->hostname, key->namelen, GFP_KERNEL);
new->hostname = kmemdup_nul(key->hostname, key->namelen, GFP_KERNEL);
if (new->hostname) {
new->namelen = key->namelen;
nfs_dns_ent_update(cnew, ckey);

2
fs/nfs/nfs4namespace.c
View File

@ -501,7 +501,7 @@ static int nfs4_try_replacing_one_location(struct nfs_server *server,
rpc_set_port(sap, NFS_PORT);
error = -ENOMEM;
hostname = kstrndup(buf->data, buf->len, GFP_KERNEL);
hostname = kmemdup_nul(buf->data, buf->len, GFP_KERNEL);
if (hostname == NULL)
break;