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| author | Jiri Slaby (SUSE) <jirislaby@kernel.org> | 2023-09-19 11:51:55 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-01-26 02:35:53 +0300 |
| commit | eefdb1be0c8be48d260787a0aa404deef790dac9 (patch) | |
| tree | 7ec6ee4bd7190e1569582e8f6f2978561918169c | |
| parent | ecf27e4765875ca24ee2fd02edb90290f0e9dd8e (diff) | |
| download | linux-eefdb1be0c8be48d260787a0aa404deef790dac9.tar.xz | |
tty: don't check for signal_pending() in send_break()
[ Upstream commit fd99392b643b824813df2edbaebe26a2136d31e6 ]
msleep_interruptible() will check on its own. So no need to do the check
in send_break() before calling the above.
Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20230919085156.1578-15-jirislaby@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 66aad7d8d3ec ("usb: cdc-acm: return correct error code on unsupported break")
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/tty/tty_io.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index b6ddc1bf307b..ddcaf967f64b 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -2484,8 +2484,7 @@ static int send_break(struct tty_struct *tty, unsigned int duration) retval = tty->ops->break_ctl(tty, -1); if (retval) goto out; - if (!signal_pending(current)) - msleep_interruptible(duration); + msleep_interruptible(duration); retval = tty->ops->break_ctl(tty, 0); out: tty_write_unlock(tty); |