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-rw-r--r--drivers/char/mxser_new.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c
index 0b25457cda0..d2dcc546cc7 100644
--- a/drivers/char/mxser_new.c
+++ b/drivers/char/mxser_new.c
@@ -2153,7 +2153,7 @@ static void mxser_transmit_chars(struct mxser_port *port)
return;
}
- if (port->xmit_buf == 0)
+ if (port->xmit_buf == NULL)
return;
if ((port->xmit_cnt <= 0) || port->tty->stopped ||