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UML: console should handle spurious IRQS 

The previous DEBUG_SHIRQ patch missed one case.  The console doesn't
set its host descriptors non-blocking.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Jeff Dike 2007-07-31 00:37:44 -07:00 committed by Linus Torvalds
parent 8daedea656
commit 6676ae6282
1 changed files with 8 additions and 1 deletions
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9
arch/um/drivers/chan_kern.c
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@ -157,7 +157,7 @@ static void tty_receive_char(struct tty_struct *tty, char ch)
static int open_one_chan(struct chan *chan)
{
int fd;
int fd, err;
if(chan->opened)
return 0;
@ -168,6 +168,13 @@ static int open_one_chan(struct chan *chan)
chan->data, &chan->dev);
if(fd < 0)
return fd;
err = os_set_fd_block(fd, 0);
if (err) {
(*chan->ops->close)(fd, chan->data);
return err;
}
chan->fd = fd;
chan->opened = 1;