From: Max Chou <[email protected]>
The btrtl_set_quirks() has accessed btrtl_dev->ic_info->lmp_subver since
b8e482d02513. However, if installing a Realtek Bluetooth controller
without the driver supported, it will hit the NULL point accessed.
Add a check for NULL to avoid the Kernel Oops.
Signed-off-by: Max Chou <[email protected]>
---
drivers/bluetooth/btrtl.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index 8fa7733812ad..0f256a8abef4 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -905,6 +905,9 @@ void btrtl_set_quirks(struct hci_dev *hdev, struct btrtl_device_info *btrtl_dev)
break;
}
+ if (!btrtl_dev->ic_info)
+ return;
+
switch (btrtl_dev->ic_info->lmp_subver) {
case RTL_ROM_LMP_8703B:
/* 8723CS reports two pages for local ext features,
--
2.34.1
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=732307
---Test result---
Test Summary:
CheckPatch PASS 0.61 seconds
GitLint PASS 0.26 seconds
SubjectPrefix PASS 0.07 seconds
BuildKernel PASS 42.76 seconds
CheckAllWarning PASS 46.48 seconds
CheckSparse WARNING 51.75 seconds
CheckSmatch WARNING 140.61 seconds
BuildKernel32 PASS 41.67 seconds
TestRunnerSetup PASS 598.45 seconds
TestRunner_l2cap-tester PASS 21.26 seconds
TestRunner_iso-tester PASS 23.67 seconds
TestRunner_bnep-tester PASS 7.61 seconds
TestRunner_mgmt-tester PASS 142.76 seconds
TestRunner_rfcomm-tester PASS 11.92 seconds
TestRunner_sco-tester PASS 10.86 seconds
TestRunner_ioctl-tester PASS 13.19 seconds
TestRunner_mesh-tester PASS 9.47 seconds
TestRunner_smp-tester PASS 10.67 seconds
TestRunner_userchan-tester PASS 8.01 seconds
IncrementalBuild PASS 38.68 seconds
Details
##############################
Test: CheckSparse - WARNING
Desc: Run sparse tool with linux kernel
Output:
drivers/bluetooth/btrtl.c: note: in included file:drivers/bluetooth/btrtl.h:52:45: warning: array of flexible structures
##############################
Test: CheckSmatch - WARNING
Desc: Run smatch tool with source
Output:
drivers/bluetooth/btrtl.c: note: in included file:drivers/bluetooth/btrtl.h:52:45: warning: array of flexible structures
---
Regards,
Linux Bluetooth