The previous DEBUG_SHIRQ patch missed one case. The console doesn't
set its host descriptors non-blocking.
Signed-off-by: Jeff Dike <[EMAIL PROTECTED]>
--
arch/um/drivers/chan_kern.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
Index: linux-2.6.21-mm/arch/um/drivers/chan_kern.c
===================================================================
--- linux-2.6.21-mm.orig/arch/um/drivers/chan_kern.c 2007-07-27
10:52:02.000000000 -0400
+++ linux-2.6.21-mm/arch/um/drivers/chan_kern.c 2007-07-27 11:09:12.000000000
-0400
@@ -157,7 +157,7 @@ static void tty_receive_char(struct tty_
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 *ch
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;
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