diff options
| -rw-r--r-- | arch/um/drivers/chan_kern.c | 9 |
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; |