Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c
index 24f06dc..2e460c3 100644
--- a/fs/nfs/nfs4namespace.c
+++ b/fs/nfs/nfs4namespace.c
@@ -137,6 +137,7 @@
 
 /**
  * nfs_find_best_sec - Find a security mechanism supported locally
+ * @clnt: pointer to rpc_clnt
  * @server: NFS server struct
  * @flavors: List of security tuples returned by SECINFO procedure
  *
@@ -288,8 +289,8 @@
 
 /**
  * nfs_follow_referral - set up mountpoint when hitting a referral on moved error
- * @dentry - parent directory
- * @locations - array of NFSv4 server location information
+ * @dentry: parent directory
+ * @locations: array of NFSv4 server location information
  *
  */
 static struct vfsmount *nfs_follow_referral(struct dentry *dentry,