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tty: n_tty: remove unsigned char casts from character constants 

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

Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230827074147.2287-10-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby (SUSE) 2023-08-27 09:41:42 +02:00 committed by Greg Kroah-Hartman
parent 008304079d
commit 046b44ab0f
1 changed files with 3 additions and 3 deletions
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6
drivers/tty/n_tty.c
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@ -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);
}