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caif: no need to check return value of debugfs_create functions

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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>
This commit is contained in:
Greg Kroah-Hartman 2019-08-10 12:42:43 +02:00 committed by David S. Miller
parent 6f20a697e4
commit 53f6f39178
2 changed files with 11 additions and 21 deletions
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26
drivers/net/caif/caif_serial.c
View file

@ -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;

6
drivers/net/caif/caif_virtio.c
View file

@ -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);