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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/char/n_hdlc.c b/drivers/char/n_hdlc.c
index 82bcfb9c839..06803ed5568 100644
--- a/drivers/char/n_hdlc.c
+++ b/drivers/char/n_hdlc.c
@@ -501,7 +501,7 @@ static void n_hdlc_tty_receive(struct tty_struct *tty, const __u8 *data,
                         __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 */