We have a separate misnomer 'c' to hold the retuned value from
tty->ops->write(). Instead, use 'num' already defined on another place
(and already properly typed).
Signed-off-by: Jiri Slaby (SUSE) <jirislaby@xxxxxxxxxx>
---
Notes:
[v2] use 'name' instead of 'retval' as Ilpo suggests
drivers/tty/n_tty.c | 17 ++++++++---------
1 file changed, 8 insertions(+), 9 deletions(-)
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index f6fa4dbdf78f..7f9fee4cf7cf 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -2335,8 +2335,7 @@ static ssize_t n_tty_write(struct tty_struct *tty, struct file *file,
{
const u8 *b = buf;
DEFINE_WAIT_FUNC(wait, woken_wake_function);
- int c;
- ssize_t retval = 0;
+ ssize_t num, retval = 0;
/* Job control check -- must be done at start (POSIX.1 7.1.1.4). */
if (L_TOSTOP(tty) && file->f_op->write_iter != redirected_tty_write) {
@@ -2362,7 +2361,7 @@ static ssize_t n_tty_write(struct tty_struct *tty, struct file *file,
}
if (O_OPOST(tty)) {
while (nr > 0) {
- ssize_t num = process_output_block(tty, b, nr);
+ num = process_output_block(tty, b, nr);
if (num < 0) {
if (num == -EAGAIN)
break;
@@ -2384,16 +2383,16 @@ static ssize_t n_tty_write(struct tty_struct *tty, struct file *file,
while (nr > 0) {
mutex_lock(&ldata->output_lock);
- c = tty->ops->write(tty, b, nr);
+ num = tty->ops->write(tty, b, nr);
mutex_unlock(&ldata->output_lock);
- if (c < 0) {
- retval = c;
+ if (num < 0) {
+ retval = num;
goto break_out;
}
- if (!c)
+ if (!num)
break;
- b += c;
- nr -= c;
+ b += num;
+ nr -= num;
}
}
if (!nr)
--
2.42.0
