serial: pch_uart: Remove unneeded NULL check
authorFabio Estevam <festevam@gmail.com>
Mon, 7 Aug 2017 17:44:11 +0000 (14:44 -0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 28 Aug 2017 18:51:19 +0000 (20:51 +0200)
There is no need to do a NULL check for debugfs_remove().

Quoting Documentation/filesystems/debugfs.txt:

"The dentry value can be NULL, in which case nothing will be removed."

, so remove the unneeded NULL check.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/pch_uart.c

index d3796dc26fa9a4e4ffd2deec9ff1053bf7a4a3a3..3788198f105bda9399abe504d415bd9f3a391e5f 100644 (file)
@@ -1862,8 +1862,7 @@ static void pch_uart_exit_port(struct eg20t_port *priv)
 {
 
 #ifdef CONFIG_DEBUG_FS
-       if (priv->debugfs)
-               debugfs_remove(priv->debugfs);
+       debugfs_remove(priv->debugfs);
 #endif
        uart_remove_one_port(&pch_uart_driver, &priv->port);
        free_page((unsigned long)priv->rxbuf.buf);