hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Loic Poulain 2017-05-23 11:51:00 +02:00 committed by Marcel Holtmann
parent 823b84201f
commit a6187ffdfc
1 changed files with 0 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/bluetooth/btwilink.c
View File

@ -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;