diff options
Diffstat (limited to 'drivers/staging/ozwpan/ozcdev.c')
| -rw-r--r-- | drivers/staging/ozwpan/ozcdev.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c index 50722ea..6ccb64f 100644 --- a/drivers/staging/ozwpan/ozcdev.c +++ b/drivers/staging/ozwpan/ozcdev.c @@ -162,6 +162,8 @@ static ssize_t oz_cdev_write(struct file *filp, const char __user *buf, spin_unlock_bh(&g_cdev.lock); if (pd == NULL) return -ENXIO; + if (!(pd->state & OZ_PD_S_CONNECTED)) + return -EAGAIN; eb = &pd->elt_buff; ei = oz_elt_info_alloc(eb); if (ei == NULL) { |