Bluetooth: Check 'dev_class' in mgmt_device_found()

The mgmt_device_found event will be used to report LE devices found
during discovery procedure. Since LE advertising reports events
doesn't have class of device information, we need to check if
'dev_class' is not NULL before copying it.

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

1 files changed, 3 insertions, 1 deletions

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 45b7a4e5aa42..5a94eec06caa 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -2324,12 +2324,14 @@ int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi,
         memset(&ev, 0, sizeof(ev));
 
         bacpy(&ev.bdaddr, bdaddr);
-        memcpy(ev.dev_class, dev_class, sizeof(ev.dev_class));
         ev.rssi = rssi;
 
         if (eir)
                 memcpy(ev.eir, eir, sizeof(ev.eir));
 
+        if (dev_class)
+                memcpy(ev.dev_class, dev_class, sizeof(ev.dev_class));
+
         return mgmt_event(MGMT_EV_DEVICE_FOUND, index, &ev, sizeof(ev), NULL);
 }