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n_tty: do only one cp dereference in n_tty_receive_buf_standard

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It might be confusing for readers: there are three distinct dereferences
and increments of 'cp' in n_tty_receive_buf_standard. Do it on a single
place, along with/before the 'fp' dereference.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20210505091928.22010-9-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2021-05-05 11:19:01 +02:00 committed by Greg Kroah-Hartman
parent 16765365a0
commit 3a7d530a0c
1 changed files with 4 additions and 4 deletions
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8
drivers/tty/n_tty.c
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@ -1531,17 +1531,17 @@ static void n_tty_receive_buf_standard(struct tty_struct *tty,
char flag = TTY_NORMAL;
while (count--) {
unsigned char c = *cp++;
if (fp)
flag = *fp++;
if (ldata->lnext) {
n_tty_receive_char_lnext(tty, *cp++, flag);
n_tty_receive_char_lnext(tty, c, flag);
continue;
}
if (likely(flag == TTY_NORMAL)) {
unsigned char c = *cp++;
if (I_ISTRIP(tty))
c &= 0x7f;
if (I_IUCLC(tty) && L_IEXTEN(tty))
@ -1555,7 +1555,7 @@ static void n_tty_receive_buf_standard(struct tty_struct *tty,
else
n_tty_receive_char_special(tty, c);
} else
n_tty_receive_char_flagged(tty, *cp++, flag);
n_tty_receive_char_flagged(tty, c, flag);
}
}