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Diffstat (limited to 'net/bluetooth/msft.c')
-rw-r--r--net/bluetooth/msft.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/net/bluetooth/msft.c b/net/bluetooth/msft.c
index 14975769f678..bee6a4c656be 100644
--- a/net/bluetooth/msft.c
+++ b/net/bluetooth/msft.c
@@ -120,7 +120,10 @@ static bool read_supported_features(struct hci_dev *hdev,
skb = __hci_cmd_sync(hdev, hdev->msft_opcode, sizeof(cp), &cp,
HCI_CMD_TIMEOUT);
- if (IS_ERR(skb)) {
+ if (IS_ERR_OR_NULL(skb)) {
+ if (!skb)
+ skb = ERR_PTR(-EIO);
+
bt_dev_err(hdev, "Failed to read MSFT supported features (%ld)",
PTR_ERR(skb));
return false;
@@ -319,8 +322,11 @@ static int msft_remove_monitor_sync(struct hci_dev *hdev,
skb = __hci_cmd_sync(hdev, hdev->msft_opcode, sizeof(cp), &cp,
HCI_CMD_TIMEOUT);
- if (IS_ERR(skb))
+ if (IS_ERR_OR_NULL(skb)) {
+ if (!skb)
+ return -EIO;
return PTR_ERR(skb);
+ }
return msft_le_cancel_monitor_advertisement_cb(hdev, hdev->msft_opcode,
monitor, skb);
@@ -432,8 +438,11 @@ static int msft_add_monitor_sync(struct hci_dev *hdev,
HCI_CMD_TIMEOUT);
kfree(cp);
- if (IS_ERR(skb))
+ if (IS_ERR_OR_NULL(skb)) {
+ if (!skb)
+ return -EIO;
return PTR_ERR(skb);
+ }
return msft_le_monitor_advertisement_cb(hdev, hdev->msft_opcode,
monitor, skb);