Bluetooth: Fix missing NULL check for smp_chan_create() return value

The smp_chan_create function may return NULL, e.g. in the case of memory
allocation failure, so we always need to check for this.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index e33a982161c1..1f4ed1e78e10 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -888,6 +888,8 @@ static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
                 return 0;
 
         smp = smp_chan_create(conn);
+        if (!smp)
+                return SMP_UNSPECIFIED;
 
         skb_pull(skb, sizeof(*rp));