diff options
Diffstat (limited to 'drivers/hid/hidraw.c')
| -rw-r--r-- | drivers/hid/hidraw.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 006bd6f4f653..bbc6ec1aa5cb 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -252,7 +252,7 @@ static __poll_t hidraw_poll(struct file *file, poll_table *wait) poll_wait(file, &list->hidraw->wait, wait); if (list->head != list->tail) - return EPOLLIN | EPOLLRDNORM; + return EPOLLIN | EPOLLRDNORM | EPOLLOUT; if (!list->hidraw->exist) return EPOLLERR | EPOLLHUP; return 0; @@ -370,7 +370,7 @@ static long hidraw_ioctl(struct file *file, unsigned int cmd, mutex_lock(&minors_lock); dev = hidraw_table[minor]; - if (!dev) { + if (!dev || !dev->exist) { ret = -ENODEV; goto out; } |