[PATCH 06/24] n_hdlc: use clamp() for maxframe

From: Jiri Slaby
Date: Wed Feb 19 2020 - 03:43:01 EST


It is easier to read. And use MAX_HDLC_FRAME_SIZE instead of magic
constant.

Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
drivers/tty/n_hdlc.c | 5 +----
1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c
index 87f22e57e4f6..a713a98fea2e 100644
--- a/drivers/tty/n_hdlc.c
+++ b/drivers/tty/n_hdlc.c
@@ -894,10 +894,7 @@ static int __init n_hdlc_init(void)
int status;

/* range check maxframe arg */
- if (maxframe < 4096)
- maxframe = 4096;
- else if (maxframe > 65535)
- maxframe = 65535;
+ maxframe = clamp(maxframe, 4096, MAX_HDLC_FRAME_SIZE);

status = tty_register_ldisc(N_HDLC, &n_hdlc_ldisc);
if (!status)
--
2.25.0