drivers: fix integer as NULL pointer warnings
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/char/n_hdlc.c b/drivers/char/n_hdlc.c
index 82bcfb9..06803ed 100644
--- a/drivers/char/n_hdlc.c
+++ b/drivers/char/n_hdlc.c
@@ -501,7 +501,7 @@
__FILE__,__LINE__, count);
/* This can happen if stuff comes in on the backup tty */
- if (n_hdlc == 0 || tty != n_hdlc->tty)
+ if (!n_hdlc || tty != n_hdlc->tty)
return;
/* verify line is using HDLC discipline */