[PATCH 09/14] tty: n_tty: remove unsigned char casts from character constants

From: Jiri Slaby (SUSE)
Date: Wed Aug 16 2023 - 07:01:27 EST


We compile with -funsigned-char, so all character constants are already
unsigned chars. Therefore, remove superfluous casts.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx>
---
drivers/tty/n_tty.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index ab3e7c20fbef..875a2bbb51c3 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1347,7 +1347,7 @@ static bool n_tty_receive_char_canon(struct tty_struct *tty, u8 c)
* XXX does PARMRK doubling happen for
* EOL_CHAR and EOL2_CHAR?
*/
- if (c == (unsigned char) '\377' && I_PARMRK(tty))
+ if (c == '\377' && I_PARMRK(tty))
put_tty_queue(c, ldata);

n_tty_receive_handle_newline(tty, c);
@@ -1409,7 +1409,7 @@ static void n_tty_receive_char_special(struct tty_struct *tty, unsigned char c,
}

/* PARMRK doubling check */
- if (c == (unsigned char) '\377' && I_PARMRK(tty))
+ if (c == '\377' && I_PARMRK(tty))
put_tty_queue(c, ldata);

put_tty_queue(c, ldata);
@@ -1444,7 +1444,7 @@ static void n_tty_receive_char(struct tty_struct *tty, unsigned char c)
commit_echoes(tty);
}
/* PARMRK doubling check */
- if (c == (unsigned char) '\377' && I_PARMRK(tty))
+ if (c == '\377' && I_PARMRK(tty))
put_tty_queue(c, ldata);
put_tty_queue(c, ldata);
}
--
2.41.0