misc/sgi-xp: use NULL instead of using plain integer as pointer

This fixes the following sparse warnings:
drivers/misc/sgi-xp/xpc_main.c:210:23: warning: Using plain integer as
NULL pointer

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Reviewed-by: Steve Wahl	<steve.wahl@hpe.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Link: https://lore.kernel.org/r/1615885041-68750-1-git-send-email-yang.lee@linux.alibaba.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c
index 84610bb..b2c3c22 100644 (file)
--- a/drivers/misc/sgi-xp/xpc_main.c
+++ b/drivers/misc/sgi-xp/xpc_main.c
@@ -207,7 +207,7 @@ xpc_start_hb_beater(void)
 {
        xpc_arch_ops.heartbeat_init();
        timer_setup(&xpc_hb_timer, xpc_hb_beater, 0);
-       xpc_hb_beater(0);
+       xpc_hb_beater(NULL);
 }
 
 static void