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Commit 6676ae62 authored by Jeff Dike's avatar Jeff Dike Committed by Linus Torvalds
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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: default avatarJeff Dike <jdike@linux.intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 8daedea6

arch/um/drivers/chan_kern.c

+8 −1
Original line number Diff line number Diff line
@@ -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;