Bluetooth: fix err_cast.cocci warnings

Author: Fengguang Wu <fengguang.wu@intel.com>

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 
Signed-off-by: Marcel Holtmann

---
 net/bluetooth/smp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 3e174f9..0448985 100644
--- 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:

Bluetooth: fix err_cast.cocci warnings

qlambert

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