From e48b68ab0ca402cd8da0363c55a834dde0331b83 Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Thu, 21 Apr 2022 12:17:05 +0200 Subject: [PATCH] serial: zs: use NULL as a pointer, not 0 struct uart_port::membase is declared as a pointer. So it should be initialized by NULL, not zero constant. Signed-off-by: Jiri Slaby Link: https://lore.kernel.org/r/20220421101708.5640-5-jslaby@suse.cz Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/zs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/zs.c b/drivers/tty/serial/zs.c index 70969bf9d82c..5bc58591665a 100644 --- a/drivers/tty/serial/zs.c +++ b/drivers/tty/serial/zs.c @@ -981,7 +981,7 @@ static const char *zs_type(struct uart_port *uport) static void zs_release_port(struct uart_port *uport) { iounmap(uport->membase); - uport->membase = 0; + uport->membase = NULL; release_mem_region(uport->mapbase, ZS_CHAN_IO_SIZE); }