From 6676ae62822f189e7bca80526eca514c399adcfc Mon Sep 17 00:00:00 2001 From: Jeff Dike Date: Tue, 31 Jul 2007 00:37:44 -0700 Subject: [PATCH] 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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/um/drivers/chan_kern.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c index 368d3e97df..629b00e3b0 100644 --- a/arch/um/drivers/chan_kern.c +++ b/arch/um/drivers/chan_kern.c @@ -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; -- 2.39.5