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NFS: Deletion of unnecessary checks before the function call "nfs_put_client"

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The nfs_put_client() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Markus Elfring 2014-11-18 13:23:43 +01:00 committed by Trond Myklebust
parent 1306729b0d
commit fe0bf1185d
2 changed files with 6 additions and 12 deletions
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3
fs/nfs/filelayout/filelayoutdev.c
View file

@ -204,8 +204,7 @@ destroy_ds(struct nfs4_pnfs_ds *ds)
ifdebug(FACILITY)
print_ds(ds);
if (ds->ds_clp)
nfs_put_client(ds->ds_clp);
nfs_put_client(ds->ds_clp);
while (!list_empty(&ds->ds_addrs)) {
da = list_first_entry(&ds->ds_addrs,

15
fs/nfs/nfs4client.c
View file

@ -498,8 +498,7 @@ int nfs40_walk_client_list(struct nfs_client *new,
atomic_inc(&pos->cl_count);
spin_unlock(&nn->nfs_client_lock);
if (prev)
nfs_put_client(prev);
nfs_put_client(prev);
prev = pos;
status = nfs_wait_client_init_complete(pos);
@ -517,8 +516,7 @@ int nfs40_walk_client_list(struct nfs_client *new,
atomic_inc(&pos->cl_count);
spin_unlock(&nn->nfs_client_lock);
if (prev)
nfs_put_client(prev);
nfs_put_client(prev);
prev = pos;
status = nfs4_proc_setclientid_confirm(pos, &clid, cred);
@ -549,8 +547,7 @@ int nfs40_walk_client_list(struct nfs_client *new,
/* No match found. The server lost our clientid */
out:
if (prev)
nfs_put_client(prev);
nfs_put_client(prev);
dprintk("NFS: <-- %s status = %d\n", __func__, status);
return status;
}
@ -641,8 +638,7 @@ int nfs41_walk_client_list(struct nfs_client *new,
atomic_inc(&pos->cl_count);
spin_unlock(&nn->nfs_client_lock);
if (prev)
nfs_put_client(prev);
nfs_put_client(prev);
prev = pos;
status = nfs_wait_client_init_complete(pos);
@ -675,8 +671,7 @@ int nfs41_walk_client_list(struct nfs_client *new,
/* No matching nfs_client found. */
spin_unlock(&nn->nfs_client_lock);
dprintk("NFS: <-- %s status = %d\n", __func__, status);
if (prev)
nfs_put_client(prev);
nfs_put_client(prev);
return status;
}
#endif /* CONFIG_NFS_V4_1 */