diff options
author | Alex Shi <alex.shi@linaro.org> | 2015-03-19 08:57:07 +0800 |
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committer | Alex Shi <alex.shi@linaro.org> | 2015-03-19 08:57:07 +0800 |
commit | 42f45c9abdea541a9f966553b5e71dd576d432f9 (patch) | |
tree | e9189f804b03d19696b0944a5a34ea9427177646 /drivers/usb/serial/generic.c | |
parent | 4d8fd56f051e5eea61209de4a3cb0619283a30af (diff) | |
parent | ba0bfedf4c9cad58f56a7038d1462ffc21cd33df (diff) |
Merge branch 'linux-linaro-lsk' into linux-linaro-lsk-androidlsk-v3.10-15.03-android
Diffstat (limited to 'drivers/usb/serial/generic.c')
-rw-r--r-- | drivers/usb/serial/generic.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index 8335b484f14e..a10648d2596b 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -261,7 +261,8 @@ void usb_serial_generic_wait_until_sent(struct tty_struct *tty, long timeout) * character or at least one jiffy. */ period = max_t(unsigned long, (10 * HZ / bps), 1); - period = min_t(unsigned long, period, timeout); + if (timeout) + period = min_t(unsigned long, period, timeout); dev_dbg(&port->dev, "%s - timeout = %u ms, period = %u ms\n", __func__, jiffies_to_msecs(timeout), @@ -271,7 +272,7 @@ void usb_serial_generic_wait_until_sent(struct tty_struct *tty, long timeout) schedule_timeout_interruptible(period); if (signal_pending(current)) break; - if (time_after(jiffies, expire)) + if (timeout && time_after(jiffies, expire)) break; } } |