2022-12-05 18:55:44

by Luiz Augusto von Dentz

[permalink] [raw]
Subject: [PATCH v2 1/3] Bluetooth: btusb: Fix new sparce warnings

From: Luiz Augusto von Dentz <[email protected]>

This fix the following warnings detect with make W=1 C=1:

drivers/bluetooth/btusb.c:2212:9: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2212:9: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2245:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2249:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2253:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2257:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2261:18: warning: cast to restricted __le16
drivers/bluetooth/btusb.c:2267:18: warning: cast to restricted __le16

Signed-off-by: Luiz Augusto von Dentz <[email protected]>
---
drivers/bluetooth/btusb.c | 25 +++++++++++++------------
1 file changed, 13 insertions(+), 12 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index d57571cc82d4..422c878a9500 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2201,18 +2201,19 @@ static int btusb_setup_csr(struct hci_dev *hdev)
return err;
}

- if (skb->len != sizeof(struct hci_rp_read_local_version)) {
+ rp = skb_pull_data(skb, sizeof(*rp));
+ if (!rp) {
bt_dev_err(hdev, "CSR: Local version length mismatch");
kfree_skb(skb);
return -EIO;
}

- rp = (struct hci_rp_read_local_version *)skb->data;
+ bt_dev_info(hdev, "CSR: Setting up dongle with HCI ver=%u rev=%04x",
+ rp->hci_ver, le16_to_cpu(rp->hci_rev));

- bt_dev_info(hdev, "CSR: Setting up dongle with HCI ver=%u rev=%04x; LMP ver=%u subver=%04x; manufacturer=%u",
- le16_to_cpu(rp->hci_ver), le16_to_cpu(rp->hci_rev),
- le16_to_cpu(rp->lmp_ver), le16_to_cpu(rp->lmp_subver),
- le16_to_cpu(rp->manufacturer));
+ bt_dev_info(hdev, "LMP ver=%u subver=%04x; manufacturer=%u",
+ rp->lmp_ver, le16_to_cpu(rp->lmp_subver),
+ le16_to_cpu(rp->manufacturer));

/* Detect a wide host of Chinese controllers that aren't CSR.
*
@@ -2242,29 +2243,29 @@ static int btusb_setup_csr(struct hci_dev *hdev)
* third-party BT 4.0 dongle reuses it.
*/
else if (le16_to_cpu(rp->lmp_subver) <= 0x034e &&
- le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_1_1)
+ rp->hci_ver > BLUETOOTH_VER_1_1)
is_fake = true;

else if (le16_to_cpu(rp->lmp_subver) <= 0x0529 &&
- le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_1_2)
+ rp->hci_ver > BLUETOOTH_VER_1_2)
is_fake = true;

else if (le16_to_cpu(rp->lmp_subver) <= 0x0c5c &&
- le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_2_0)
+ rp->hci_ver > BLUETOOTH_VER_2_0)
is_fake = true;

else if (le16_to_cpu(rp->lmp_subver) <= 0x1899 &&
- le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_2_1)
+ rp->hci_ver > BLUETOOTH_VER_2_1)
is_fake = true;

else if (le16_to_cpu(rp->lmp_subver) <= 0x22bb &&
- le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_4_0)
+ rp->hci_ver > BLUETOOTH_VER_4_0)
is_fake = true;

/* Other clones which beat all the above checks */
else if (bcdDevice == 0x0134 &&
le16_to_cpu(rp->lmp_subver) == 0x0c5c &&
- le16_to_cpu(rp->hci_ver) == BLUETOOTH_VER_2_0)
+ rp->hci_ver == BLUETOOTH_VER_2_0)
is_fake = true;

if (is_fake) {
--
2.37.3


2022-12-05 18:55:45

by Luiz Augusto von Dentz

[permalink] [raw]
Subject: [PATCH v2 2/3] Bluetooth: btusb: Fix existing sparce warning

From: Luiz Augusto von Dentz <[email protected]>

This fix the following warnings detect with make W=1 C=1:

drivers/bluetooth/btusb.c:3426:28: warning: cast to restricted __le32

Signed-off-by: Luiz Augusto von Dentz <[email protected]>
---
drivers/bluetooth/btusb.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 422c878a9500..16e043166055 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -3423,7 +3423,7 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,

if (ver_rom & ~0xffffU) {
rver_rom_high = le16_to_cpu(rver->rom_version_high);
- rver_rom = le32_to_cpu(rver_rom_high << 16 | rver_rom_low);
+ rver_rom = rver_rom_high << 16 | rver_rom_low;
} else {
rver_rom = rver_rom_low;
}
--
2.37.3

2022-12-05 19:34:31

by bluez.test.bot

[permalink] [raw]
Subject: RE: [v2,1/3] Bluetooth: btusb: Fix new sparce warnings

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=701910

---Test result---

Test Summary:
CheckPatch PASS 1.72 seconds
GitLint PASS 0.85 seconds
SubjectPrefix PASS 0.29 seconds
BuildKernel PASS 34.88 seconds
BuildKernel32 PASS 30.81 seconds
TestRunnerSetup PASS 428.62 seconds
TestRunner_l2cap-tester PASS 15.67 seconds
TestRunner_iso-tester PASS 15.59 seconds
TestRunner_bnep-tester PASS 5.42 seconds
TestRunner_mgmt-tester PASS 104.21 seconds
TestRunner_rfcomm-tester PASS 9.23 seconds
TestRunner_sco-tester PASS 8.66 seconds
TestRunner_ioctl-tester PASS 9.82 seconds
TestRunner_mesh-tester PASS 6.64 seconds
TestRunner_smp-tester PASS 8.36 seconds
TestRunner_userchan-tester PASS 5.55 seconds
IncrementalBuild PASS 42.68 seconds



---
Regards,
Linux Bluetooth

2022-12-06 18:04:10

by patchwork-bot+bluetooth

[permalink] [raw]
Subject: Re: [PATCH v2 1/3] Bluetooth: btusb: Fix new sparce warnings

Hello:

This series was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <[email protected]>:

On Mon, 5 Dec 2022 10:32:34 -0800 you wrote:
> From: Luiz Augusto von Dentz <[email protected]>
>
> This fix the following warnings detect with make W=1 C=1:
>
> drivers/bluetooth/btusb.c:2212:9: warning: cast to restricted __le16
> drivers/bluetooth/btusb.c:2212:9: warning: cast to restricted __le16
> drivers/bluetooth/btusb.c:2245:18: warning: cast to restricted __le16
> drivers/bluetooth/btusb.c:2249:18: warning: cast to restricted __le16
> drivers/bluetooth/btusb.c:2253:18: warning: cast to restricted __le16
> drivers/bluetooth/btusb.c:2257:18: warning: cast to restricted __le16
> drivers/bluetooth/btusb.c:2261:18: warning: cast to restricted __le16
> drivers/bluetooth/btusb.c:2267:18: warning: cast to restricted __le16
>
> [...]

Here is the summary with links:
- [v2,1/3] Bluetooth: btusb: Fix new sparce warnings
https://git.kernel.org/bluetooth/bluetooth-next/c/ee93fd98d900
- [v2,2/3] Bluetooth: btusb: Fix existing sparce warning
https://git.kernel.org/bluetooth/bluetooth-next/c/e05ae902672a
- [v2,3/3] Bluetooth: btintel: Fix existing sparce warnings
https://git.kernel.org/bluetooth/bluetooth-next/c/b84a13ff4eda

You are awesome, thank you!
--
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