serial: sifive: set pointer to NULL rather than 0.

Clean up the assignment of sifive_serial_console_ports[ssp->port.line],
this is a pointer to a struct sifive_serial_port so the assignment
should be a NULL rather than a integer 0.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/r/20210925224726.183360-1-colin.king@canonical.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/sifive.c b/drivers/tty/serial/sifive.c
index 0ac0371..b79900d 100644 (file)
--- a/drivers/tty/serial/sifive.c
+++ b/drivers/tty/serial/sifive.c
@@ -887,7 +887,7 @@ static void __ssp_add_console_port(struct sifive_serial_port *ssp)
 
 static void __ssp_remove_console_port(struct sifive_serial_port *ssp)
 {
-       sifive_serial_console_ports[ssp->port.line] = 0;
+       sifive_serial_console_ports[ssp->port.line] = NULL;
 }
 
 #define SIFIVE_SERIAL_CONSOLE  (&sifive_serial_console)