caif: no need to check return value of debugfs_create functions

When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Richard Fontana <rfontana@redhat.com>
Cc: Steve Winslow <swinslow@gmail.com>
Cc: netdev@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c
index ed3c437..40b0791 100644 (file)
--- a/drivers/net/caif/caif_serial.c
+++ b/drivers/net/caif/caif_serial.c
@@ -94,26 +94,20 @@ static inline void update_tty_status(struct ser_device *ser)
 }
 static inline void debugfs_init(struct ser_device *ser, struct tty_struct *tty)
 {
-       ser->debugfs_tty_dir =
-                       debugfs_create_dir(tty->name, debugfsdir);
-       if (!IS_ERR(ser->debugfs_tty_dir)) {
-               debugfs_create_blob("last_tx_msg", 0400,
-                                   ser->debugfs_tty_dir,
-                                   &ser->tx_blob);
+       ser->debugfs_tty_dir = debugfs_create_dir(tty->name, debugfsdir);
 
-               debugfs_create_blob("last_rx_msg", 0400,
-                                   ser->debugfs_tty_dir,
-                                   &ser->rx_blob);
+       debugfs_create_blob("last_tx_msg", 0400, ser->debugfs_tty_dir,
+                           &ser->tx_blob);
 
-               debugfs_create_x32("ser_state", 0400,
-                                  ser->debugfs_tty_dir,
-                                  (u32 *)&ser->state);
+       debugfs_create_blob("last_rx_msg", 0400, ser->debugfs_tty_dir,
+                           &ser->rx_blob);
 
-               debugfs_create_x8("tty_status", 0400,
-                                 ser->debugfs_tty_dir,
-                                 &ser->tty_status);
+       debugfs_create_x32("ser_state", 0400, ser->debugfs_tty_dir,
+                          (u32 *)&ser->state);
+
+       debugfs_create_x8("tty_status", 0400, ser->debugfs_tty_dir,
+                         &ser->tty_status);
 
-       }
        ser->tx_blob.data = ser->tx_data;
        ser->tx_blob.size = 0;
        ser->rx_blob.data = ser->rx_data;

diff --git a/drivers/net/caif/caif_virtio.c b/drivers/net/caif/caif_virtio.c
index 27e93a4..eb42682 100644 (file)
--- a/drivers/net/caif/caif_virtio.c
+++ b/drivers/net/caif/caif_virtio.c
@@ -623,11 +623,7 @@ static void cfv_netdev_setup(struct net_device *netdev)
 /* Create debugfs counters for the device */
 static inline void debugfs_init(struct cfv_info *cfv)
 {
-       cfv->debugfs =
-               debugfs_create_dir(netdev_name(cfv->ndev), NULL);
-
-       if (IS_ERR(cfv->debugfs))
-               return;
+       cfv->debugfs = debugfs_create_dir(netdev_name(cfv->ndev), NULL);
 
        debugfs_create_u32("rx-napi-complete", 0400, cfv->debugfs,
                           &cfv->stats.rx_napi_complete);