Bluetooth: hci_uart: Fix dereferencing of ERR_PTR
If h4_recv_buf() return ERR_PTR instead sk_buff pointer, it should be cleared once PTR_ERR is completed for the further dereference such as h4_recv(), or h4_close(). Signed-off-by: Chan-yeol Park <chanyeol.park@samsung.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
parent
30811fa663
commit
3713416763
|
@ -192,6 +192,7 @@ static int ath_recv(struct hci_uart *hu, const void *data, int count)
|
|||
if (IS_ERR(ath->rx_skb)) {
|
||||
int err = PTR_ERR(ath->rx_skb);
|
||||
BT_ERR("%s: Frame reassembly failed (%d)", hu->hdev->name, err);
|
||||
ath->rx_skb = NULL;
|
||||
return err;
|
||||
}
|
||||
|
||||
|
|
|
@ -188,6 +188,7 @@ static int bcm_recv(struct hci_uart *hu, const void *data, int count)
|
|||
if (IS_ERR(bcm->rx_skb)) {
|
||||
int err = PTR_ERR(bcm->rx_skb);
|
||||
BT_ERR("%s: Frame reassembly failed (%d)", hu->hdev->name, err);
|
||||
bcm->rx_skb = NULL;
|
||||
return err;
|
||||
}
|
||||
|
||||
|
|
|
@ -133,6 +133,7 @@ static int h4_recv(struct hci_uart *hu, const void *data, int count)
|
|||
if (IS_ERR(h4->rx_skb)) {
|
||||
int err = PTR_ERR(h4->rx_skb);
|
||||
BT_ERR("%s: Frame reassembly failed (%d)", hu->hdev->name, err);
|
||||
h4->rx_skb = NULL;
|
||||
return err;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue