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| author | Loic Poulain <loic.poulain@intel.com> | 2017-05-23 11:51:00 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2017-05-23 16:19:38 +0200 |
| commit | a6187ffdfcc854ce4d97f307e12508a4bde8bcf3 (patch) | |
| tree | 01d4ffd7504f07588b22ccc439a86a3b6a5627f2 /drivers/bluetooth | |
| parent | 823b84201f4a719414d61b105fd23706c5668ab5 (diff) | |
| download | linux-a6187ffdfcc854ce4d97f307e12508a4bde8bcf3.tar.gz linux-a6187ffdfcc854ce4d97f307e12508a4bde8bcf3.tar.bz2 linux-a6187ffdfcc854ce4d97f307e12508a4bde8bcf3.zip | |
Bluetooth: btwilink: Fix unexpected skb free
The caller (hci_core) still owns the skb in case of error, releasing
it inside the send function can lead to use-after-free errors.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/btwilink.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/drivers/bluetooth/btwilink.c b/drivers/bluetooth/btwilink.c index b6bb58c41df5..85a3978b064f 100644 --- a/drivers/bluetooth/btwilink.c +++ b/drivers/bluetooth/btwilink.c @@ -262,7 +262,6 @@ static int ti_st_send_frame(struct hci_dev *hdev, struct sk_buff *skb) pkt_type = hci_skb_pkt_type(skb); len = hst->st_write(skb); if (len < 0) { - kfree_skb(skb); BT_ERR("ST write failed (%ld)", len); /* Try Again, would only fail if UART has gone bad */ return -EAGAIN; |