mirror of https://gitee.com/openkylin/linux.git
Merge branch 'tty-linus' into 'tty-testing'
We need the fixes in drivers/tty/tty_io.c that were done in there for future patches in this branch. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
commit
28e1445c65
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@ -363,7 +363,7 @@ uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
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* The spd_hi, spd_vhi, spd_shi, spd_warp kludge...
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* The spd_hi, spd_vhi, spd_shi, spd_warp kludge...
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* Die! Die! Die!
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* Die! Die! Die!
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*/
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*/
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if (baud == 38400)
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if (try == 0 && baud == 38400)
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baud = altbaud;
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baud = altbaud;
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/*
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/*
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@ -1763,6 +1763,8 @@ int tty_release(struct inode *inode, struct file *filp)
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int do_sleep, final;
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int do_sleep, final;
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int idx;
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int idx;
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char buf[64];
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char buf[64];
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long timeout = 0;
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int once = 1;
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if (tty_paranoia_check(tty, inode, __func__))
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if (tty_paranoia_check(tty, inode, __func__))
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return 0;
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return 0;
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@ -1832,9 +1834,16 @@ int tty_release(struct inode *inode, struct file *filp)
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if (!do_sleep)
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if (!do_sleep)
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break;
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break;
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printk(KERN_WARNING "%s: %s: read/write wait queue active!\n",
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if (once) {
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__func__, tty_name(tty, buf));
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once = 0;
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schedule();
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printk(KERN_WARNING "%s: %s: read/write wait queue active!\n",
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__func__, tty_name(tty, buf));
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}
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schedule_timeout_killable(timeout);
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if (timeout < 120 * HZ)
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timeout = 2 * timeout + 1;
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else
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timeout = MAX_SCHEDULE_TIMEOUT;
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}
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}
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if (o_tty) {
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if (o_tty) {
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