diff options
| -rw-r--r-- | drivers/net/wwan/wwan_core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/wwan/wwan_core.c b/drivers/net/wwan/wwan_core.c index 5be5e1e3534c..cff04e532c1e 100644 --- a/drivers/net/wwan/wwan_core.c +++ b/drivers/net/wwan/wwan_core.c @@ -508,6 +508,8 @@ static __poll_t wwan_port_fops_poll(struct file *filp, poll_table *wait) mask |= EPOLLOUT | EPOLLWRNORM; if (!is_read_blocked(port)) mask |= EPOLLIN | EPOLLRDNORM; + if (!port->ops) + mask |= EPOLLHUP | EPOLLERR; return mask; } |