Commit 8503f901 authored by Rupesh Gujare's avatar Rupesh Gujare Committed by Greg Kroah-Hartman

staging: ozwpan: Return error, if PD is not connected.

Return error if we receive write(), while PD is not connected.
Signed-off-by: default avatarRupesh Gujare <rupesh.gujare@atmel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b93d85f0
...@@ -162,6 +162,8 @@ static ssize_t oz_cdev_write(struct file *filp, const char __user *buf, ...@@ -162,6 +162,8 @@ static ssize_t oz_cdev_write(struct file *filp, const char __user *buf,
spin_unlock_bh(&g_cdev.lock); spin_unlock_bh(&g_cdev.lock);
if (pd == NULL) if (pd == NULL)
return -ENXIO; return -ENXIO;
if (!(pd->state & OZ_PD_S_CONNECTED))
return -EAGAIN;
eb = &pd->elt_buff; eb = &pd->elt_buff;
ei = oz_elt_info_alloc(eb); ei = oz_elt_info_alloc(eb);
if (ei == NULL) { if (ei == NULL) {
......
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