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authorJeff Dike <jdike@addtoit.com>2007-07-31 00:37:44 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-31 15:39:37 -0700
commit6676ae62822f189e7bca80526eca514c399adcfc (patch)
treeb7c05dcc81b5cc91592c5f1c4e2b72773a1043d4 /arch/um
parent8daedea656ef48d36d1bda3d1339da484387c710 (diff)
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>
Diffstat (limited to 'arch/um')
-rw-r--r--arch/um/drivers/chan_kern.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 368d3e97dfd9..629b00e3b0b0 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;