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tty: handle REVIVE case on console device

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. can happen on e.g. ^S
	. reported by Stephen Hatton
This commit is contained in:
Ben Gras 2011-08-09 16:59:01 +00:00
parent 86b061078b
commit 3a44cd477b
1 changed files with 8 additions and 4 deletions
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12
drivers/tty/console.c
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@ -206,10 +206,14 @@ int try;
/* Reply to the writer if all output is finished or if an error occured. */
if (tp->tty_outleft == 0 || result != OK) {
/* REVIVE is not possible. I/O on memory mapped consoles finishes. */
tty_reply(tp->tty_outrepcode, tp->tty_outcaller, tp->tty_outproc,
tp->tty_outcum);
tp->tty_outcum = 0;
if(tp->tty_outrepcode == TTY_REVIVE) {
notify(tp->tty_outcaller);
tp->tty_outrevived = 1;
} else {
tty_reply(tp->tty_outrepcode, tp->tty_outcaller,
tp->tty_outproc, tp->tty_outcum);
tp->tty_outcum = 0;
}
}
return 0;