Hello.

On 08/27/2013 07:53 PM, Rupesh Gujare wrote:

Return error if we receive write(), while PD is not connected.

Signed-off-by: Rupesh Gujare <rupesh.guj...@atmel.com>
---
  drivers/staging/ozwpan/ozcdev.c |    2 ++
  1 file changed, 2 insertions(+)

diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c
index 03b41ee..22cb2ae 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 -1;

   Note that returning -EPERM here is hardly correct.

+       if (!(pd->state & OZ_PD_S_CONNECTED))
+               return -ENXIO;

WBR, Sergei

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