[PATCH net-next] Bluetooth: btrtl: Fix passing zero to 'ERR_PTR'

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If bt_skb_alloc() fails, ret should be -ENOMEM then pass to ERR_PTR().

Fixes: 1996d9cad6ad ("Bluetooth: btrtl: Ask 8821C to drop old firmware")
Signed-off-by: Yue Haibing <yuehaibing@xxxxxxxxxx>
---
 drivers/bluetooth/btrtl.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 7838c89e529e..6d5b37990be6 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -1137,8 +1137,10 @@ struct btrtl_device_info *btrtl_initialize(struct hci_dev *hdev,
 
 	if (btrtl_dev->drop_fw) {
 		skb = bt_skb_alloc(sizeof(*cmd), GFP_KERNEL);
-		if (!skb)
+		if (!skb) {
+			ret = -ENOMEM;
 			goto err_free;
+		}
 
 		cmd = skb_put(skb, HCI_COMMAND_HDR_SIZE);
 		cmd->opcode = cpu_to_le16(0xfc66);
-- 
2.34.1





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