Commit fbd2057e authored by Xiaoke Wang's avatar Xiaoke Wang Committed by Anna Schumaker
Browse files

nfs: nfs4clinet: check the return value of kstrdup() 



kstrdup() returns NULL when some internal memory errors happen, it is
better to check the return value of it so to catch the memory error in
time.

Signed-off-by: default avatarXiaoke Wang <xkernel.wang@foxmail.com>
Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
parent 2c52c837

fs/nfs/nfs4client.c

+4 −1
Original line number Diff line number Diff line
@@ -1343,8 +1343,11 @@ int nfs4_update_server(struct nfs_server *server, const char *hostname, 
	}

	nfs_put_client(clp);



	if (server->nfs_client->cl_hostname == NULL)

	if (server->nfs_client->cl_hostname == NULL) {

		server->nfs_client->cl_hostname = kstrdup(hostname, GFP_KERNEL);

		if (server->nfs_client->cl_hostname == NULL)

			return -ENOMEM;

	}

	nfs_server_insert_lists(server);



	return nfs_probe_server(server, NFS_FH(d_inode(server->super->s_root)));