The local tail variable in n_tty_read() is used for one purpose, it
keeps the old tail. Thus, rename it appropriately to improve code
readability.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
---
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 597019690ae6..c8f56c9b1a1c 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -2130,7 +2130,7 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
ssize_t retval = 0;
long timeout;
bool packet;
- size_t tail;
+ size_t old_tail;
/*
* Is this a continuation of a read started earler?
@@ -2193,7 +2193,7 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
}
packet = tty->ctrl.packet;
- tail = ldata->read_tail;
+ old_tail = ldata->read_tail;
add_wait_queue(&tty->read_wait, &wait);
while (nr) {
@@ -2282,7 +2282,7 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
if (time)
timeout = time;
}
- if (tail != ldata->read_tail)
+ if (old_tail != ldata->read_tail)
n_tty_kick_worker(tty);
up_read(&tty->termios_rwsem);
--
tg: (15730dc45dc7..) tty/rename-tail (depends on: tty-next)
