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| author | Raghuram Subramani <raghus2247@gmail.com> | 2024-10-13 13:36:36 +0530 |
|---|---|---|
| committer | Raghuram Subramani <raghus2247@gmail.com> | 2024-10-13 13:36:36 +0530 |
| commit | 6a21d8496b038d1e71fd6a9bd8a95880135665d9 (patch) | |
| tree | 8f96e9273400c0eb8794f92aef733bb5fe52b658 /drivers/tty/pty.c | |
| parent | b73f506bc0ae7119f5f629b222596a27d7b2e99b (diff) | |
| parent | 17d850f5a5bc1318b67a974b16d32a2dd3bab5cf (diff) | |
Merge remote-tracking branch 'msm8998/lineage-20'master
Diffstat (limited to 'drivers/tty/pty.c')
| -rw-r--r-- | drivers/tty/pty.c | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c index 8ee146b14aae..6a024b5cfb0f 100644 --- a/drivers/tty/pty.c +++ b/drivers/tty/pty.c @@ -106,21 +106,11 @@ static void pty_unthrottle(struct tty_struct *tty) static int pty_write(struct tty_struct *tty, const unsigned char *buf, int c) { struct tty_struct *to = tty->link; - unsigned long flags; - if (tty->stopped) + if (tty->stopped || !c) return 0; - if (c > 0) { - spin_lock_irqsave(&to->port->lock, flags); - /* Stuff the data into the input queue of the other end */ - c = tty_insert_flip_string(to->port, buf, c); - spin_unlock_irqrestore(&to->port->lock, flags); - /* And shovel */ - if (c) - tty_flip_buffer_push(to->port); - } - return c; + return tty_insert_flip_string_and_push_buffer(to->port, buf, c); } /** |