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Bluetooth: MGMT: Add error handling to pair_device()
commit 538fd3921afac97158d4177139a0ad39f056dbb2 upstream. hci_conn_params_add() never checks for a NULL value and could lead to a NULL pointer dereference causing a crash. Fixed by adding error handling in the function. Cc: Stable <stable@kernel.org> Fixes: 5157b8a ("Bluetooth: Fix initializing conn_params in scan phase") Signed-off-by: Griffin Kroah-Hartman <griffin@kroah.com> Reported-by: Yiwei Zhang <zhan4630@purdue.edu> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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