diff mbox series

Bluetooth: btusb: fix memory leak

Message ID 20210413175208.GA560049@LEGION (mailing list archive)
State New, archived
Headers show
Series Bluetooth: btusb: fix memory leak | expand

Commit Message

Muhammad Usama Anjum April 13, 2021, 5:52 p.m. UTC
If btusb_mtk_submit_wmt_recv_urb returns error, wc should be freed and
then error should be returned to prevent memory leak.

Addresses-Coverity: ("Prevent memory leak")
Fixes: 4cbb375e997d ("Bluetooth: btusb: Fixed too many in-token issue for Mediatek Chip.")
Signed-off-by: Muhammad Usama Anjum <musamaanjum@gmail.com>
---
 drivers/bluetooth/btusb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

bluez.test.bot@gmail.com April 13, 2021, 6:30 p.m. UTC | #1
This is automated email and please do not reply to this email!

Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=466559

---Test result---

##############################
Test: CheckPatch - PASS


##############################
Test: CheckGitLint - FAIL
Bluetooth: btusb: fix memory leak
7: B1 Line exceeds max length (90>80): "Fixes: 4cbb375e997d ("Bluetooth: btusb: Fixed too many in-token issue for Mediatek Chip.")"


##############################
Test: CheckBuildK - PASS


##############################
Test: CheckTestRunner: Setup - PASS


##############################
Test: CheckTestRunner: l2cap-tester - PASS
Total: 40, Passed: 34 (85.0%), Failed: 0, Not Run: 6

##############################
Test: CheckTestRunner: bnep-tester - PASS
Total: 1, Passed: 1 (100.0%), Failed: 0, Not Run: 0

##############################
Test: CheckTestRunner: mgmt-tester - PASS
Total: 416, Passed: 400 (96.2%), Failed: 0, Not Run: 16

##############################
Test: CheckTestRunner: rfcomm-tester - PASS
Total: 9, Passed: 9 (100.0%), Failed: 0, Not Run: 0

##############################
Test: CheckTestRunner: sco-tester - PASS
Total: 8, Passed: 8 (100.0%), Failed: 0, Not Run: 0

##############################
Test: CheckTestRunner: smp-tester - PASS
Total: 8, Passed: 8 (100.0%), Failed: 0, Not Run: 0

##############################
Test: CheckTestRunner: userchan-tester - PASS
Total: 3, Passed: 3 (100.0%), Failed: 0, Not Run: 0



---
Regards,
Linux Bluetooth
Marcel Holtmann April 13, 2021, 6:35 p.m. UTC | #2
Hi Muhammad,

> If btusb_mtk_submit_wmt_recv_urb returns error, wc should be freed and
> then error should be returned to prevent memory leak.
> 
> Addresses-Coverity: ("Prevent memory leak")
> Fixes: 4cbb375e997d ("Bluetooth: btusb: Fixed too many in-token issue for Mediatek Chip.")
> Signed-off-by: Muhammad Usama Anjum <musamaanjum@gmail.com>
> ---
> drivers/bluetooth/btusb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel
diff mbox series

Patch

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 58ae824fb507..2c403188f586 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -3324,7 +3324,7 @@  static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
 	/* Submit control IN URB on demand to process the WMT event */
 	err = btusb_mtk_submit_wmt_recv_urb(hdev);
 	if (err < 0)
-		return err;
+		goto err_free_wc;
 
 	/* The vendor specific WMT commands are all answered by a vendor
 	 * specific event and will have the Command Status or Command