[PATCH] bluetooth: bfusb: update the reference count of udev

[PATCH] bluetooth: bfusb: update the reference count of udev

[Salah Triki]

Use usb_get_dev() and usb_put_dev() in order to update the reference
count of udev.

Signed-off-by: Salah Triki <salah.triki@gmail.com>
---
 drivers/bluetooth/bfusb.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/bluetooth/bfusb.c b/drivers/bluetooth/bfusb.c
index 5a321b4076aa..c9145c914451 100644
--- a/drivers/bluetooth/bfusb.c
+++ b/drivers/bluetooth/bfusb.c
@@ -623,7 +623,7 @@ static int bfusb_probe(struct usb_interface *intf, const struct usb_device_id *i
 	if (!data)
 		return -ENOMEM;
 
-	data->udev = udev;
+	data->udev = usb_get_dev(udev);
 	data->bulk_in_ep    = bulk_in_ep->desc.bEndpointAddress;
 	data->bulk_out_ep   = bulk_out_ep->desc.bEndpointAddress;
 	data->bulk_pkt_size = le16_to_cpu(bulk_out_ep->desc.wMaxPacketSize);
@@ -699,6 +699,8 @@ static void bfusb_disconnect(struct usb_interface *intf)
 
 	usb_set_intfdata(intf, NULL);
 
+	usb_put_dev(interface_to_usbdev(intf));
+
 	bfusb_close(hdev);
 
 	hci_unregister_dev(hdev);
-- 
2.25.1

Re: [PATCH] bluetooth: bfusb: update the reference count of udev

[Greg KH]

On Sat, Jul 24, 2021 at 08:21:31PM +0100, Salah Triki wrote:
> Use usb_get_dev() and usb_put_dev() in order to update the reference
> count of udev.

What does this fix?

RE: bluetooth: bfusb: update the reference count of udev

[bluez.test.bot]

[-- Attachment #1: Type: text/plain, Size: 2727 bytes --]

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=520705

---Test result---

Test Summary:
CheckPatch                    PASS      0.50 seconds
GitLint                       PASS      0.11 seconds
BuildKernel                   PASS      635.97 seconds
TestRunner: Setup             PASS      415.86 seconds
TestRunner: l2cap-tester      PASS      2.99 seconds
TestRunner: bnep-tester       PASS      2.19 seconds
TestRunner: mgmt-tester       PASS      32.58 seconds
TestRunner: rfcomm-tester     PASS      2.43 seconds
TestRunner: sco-tester        PASS      2.35 seconds
TestRunner: smp-tester        FAIL      2.31 seconds
TestRunner: userchan-tester   PASS      2.15 seconds

Details
##############################
Test: CheckPatch - PASS - 0.50 seconds
Run checkpatch.pl script with rule in .checkpatch.conf


##############################
Test: GitLint - PASS - 0.11 seconds
Run gitlint with rule in .gitlint


##############################
Test: BuildKernel - PASS - 635.97 seconds
Build Kernel with minimal configuration supports Bluetooth


##############################
Test: TestRunner: Setup - PASS - 415.86 seconds
Setup environment for running Test Runner


##############################
Test: TestRunner: l2cap-tester - PASS - 2.99 seconds
Run test-runner with l2cap-tester
Total: 40, Passed: 40 (100.0%), Failed: 0, Not Run: 0

##############################
Test: TestRunner: bnep-tester - PASS - 2.19 seconds
Run test-runner with bnep-tester
Total: 1, Passed: 1 (100.0%), Failed: 0, Not Run: 0

##############################
Test: TestRunner: mgmt-tester - PASS - 32.58 seconds
Run test-runner with mgmt-tester
Total: 448, Passed: 445 (99.3%), Failed: 0, Not Run: 3

##############################
Test: TestRunner: rfcomm-tester - PASS - 2.43 seconds
Run test-runner with rfcomm-tester
Total: 9, Passed: 9 (100.0%), Failed: 0, Not Run: 0

##############################
Test: TestRunner: sco-tester - PASS - 2.35 seconds
Run test-runner with sco-tester
Total: 8, Passed: 8 (100.0%), Failed: 0, Not Run: 0

##############################
Test: TestRunner: smp-tester - FAIL - 2.31 seconds
Run test-runner with smp-tester
Total: 8, Passed: 7 (87.5%), Failed: 1, Not Run: 0

Failed Test Cases
SMP Client - SC Request 2                            Failed       0.025 seconds

##############################
Test: TestRunner: userchan-tester - PASS - 2.15 seconds
Run test-runner with userchan-tester
Total: 3, Passed: 3 (100.0%), Failed: 0, Not Run: 0



---
Regards,
Linux Bluetooth


[-- Attachment #2: l2cap-tester.log --]
[-- Type: application/octet-stream, Size: 44386 bytes --]

[-- Attachment #3: bnep-tester.log --]
[-- Type: application/octet-stream, Size: 3593 bytes --]

[-- Attachment #4: mgmt-tester.log --]
[-- Type: application/octet-stream, Size: 616893 bytes --]

[-- Attachment #5: rfcomm-tester.log --]
[-- Type: application/octet-stream, Size: 11713 bytes --]

[-- Attachment #6: sco-tester.log --]
[-- Type: application/octet-stream, Size: 9948 bytes --]

[-- Attachment #7: smp-tester.log --]
[-- Type: application/octet-stream, Size: 11741 bytes --]

[-- Attachment #8: userchan-tester.log --]
[-- Type: application/octet-stream, Size: 5489 bytes --]