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authorMarcel Holtmann <marcel@holtmann.org>2008-10-06 12:22:51 +0200
committerMarcel Holtmann <marcel@holtmann.org>2008-10-06 12:22:51 +0200
commit36010ff6788a058147ae15a1aebf97fd30fa51a9 (patch)
treeebca6f1912cd4424147414120722ada8e737cb52 /drivers/bluetooth
parent94aca1dac6f6d21f4b07e4864baf7768cabcc6e7 (diff)
downloadlinux-36010ff6788a058147ae15a1aebf97fd30fa51a9.tar.bz2
[Bluetooth] Fix double frees on error paths of btusb and bpa10x drivers
The transfer buffer of an URB will be automatically freed when using the URB_FREE_BUFFER transfer_flag. So the extra calls to kfree() will cause a double free. Reported-by: Justin Mattock <justinmattock@gmail.com> Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth')
-rw-r--r--drivers/bluetooth/bpa10x.c2
-rw-r--r--drivers/bluetooth/btusb.c3
2 files changed, 0 insertions, 5 deletions
diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c
index 1e55a658e6ce..32f3a8ed8d3d 100644
--- a/drivers/bluetooth/bpa10x.c
+++ b/drivers/bluetooth/bpa10x.c
@@ -256,7 +256,6 @@ static inline int bpa10x_submit_intr_urb(struct hci_dev *hdev)
BT_ERR("%s urb %p submission failed (%d)",
hdev->name, urb, -err);
usb_unanchor_urb(urb);
- kfree(buf);
}
usb_free_urb(urb);
@@ -298,7 +297,6 @@ static inline int bpa10x_submit_bulk_urb(struct hci_dev *hdev)
BT_ERR("%s urb %p submission failed (%d)",
hdev->name, urb, -err);
usb_unanchor_urb(urb);
- kfree(buf);
}
usb_free_urb(urb);
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 29ae99817c60..262e9bebebc9 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -271,7 +271,6 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev)
BT_ERR("%s urb %p submission failed (%d)",
hdev->name, urb, -err);
usb_unanchor_urb(urb);
- kfree(buf);
}
usb_free_urb(urb);
@@ -354,7 +353,6 @@ static int btusb_submit_bulk_urb(struct hci_dev *hdev)
BT_ERR("%s urb %p submission failed (%d)",
hdev->name, urb, -err);
usb_unanchor_urb(urb);
- kfree(buf);
}
usb_free_urb(urb);
@@ -475,7 +473,6 @@ static int btusb_submit_isoc_urb(struct hci_dev *hdev)
BT_ERR("%s urb %p submission failed (%d)",
hdev->name, urb, -err);
usb_unanchor_urb(urb);
- kfree(buf);
}
usb_free_urb(urb);