Bluetooth: fix err_cast.cocci warnings

net/bluetooth/smp.c:2650:9-16: WARNING: ERR_CAST can be used with tfm_aes

Use ERR_CAST inlined function instead of ERR_PTR(PTR_ERR(...))

Generated by: scripts/coccinelle/api/err_cast.cocci

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 3e174f94a46bfea9037c700d3ab5427037437d89..04489856ca6830ba2f89249a2eb113003ad7c187 100644 (file)
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -2931,7 +2931,7 @@ static struct l2cap_chan *smp_add_cid(struct hci_dev *hdev, u16 cid)
        tfm_aes = crypto_alloc_blkcipher("ecb(aes)", 0, 0);
        if (IS_ERR(tfm_aes)) {
                BT_ERR("Unable to create crypto context");
-               return ERR_PTR(PTR_ERR(tfm_aes));
+               return ERR_CAST(tfm_aes);
        }
 
 create_chan: