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authorAlexei Starovoitov <ast@kernel.org>2024-10-25 04:45:59 +0300
committerAlexei Starovoitov <ast@kernel.org>2024-10-25 04:47:28 +0300
commitbfa7b5c98be4bdcf8aaa4e5ca0b91359ea28c05c (patch)
tree751b70005cb6641c42e90191f35dac731459a6ec /drivers/bluetooth/btusb.c
parentc6fb8030b4baa01c850f99fc6da051b1017edc46 (diff)
parentae90f6a6170d7a7a1aa4fddf664fbd093e3023bc (diff)
downloadlinux-bfa7b5c98be4bdcf8aaa4e5ca0b91359ea28c05c.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Cross-merge bpf fixes after downstream PR. No conflicts. Adjacent changes in: include/linux/bpf.h include/uapi/linux/bpf.h kernel/bpf/btf.c kernel/bpf/helpers.c kernel/bpf/syscall.c kernel/bpf/verifier.c kernel/trace/bpf_trace.c mm/slab_common.c tools/include/uapi/linux/bpf.h tools/testing/selftests/bpf/Makefile Link: https://lore.kernel.org/all/20241024215724.60017-1-daniel@iogearbox.net/ Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'drivers/bluetooth/btusb.c')
-rw-r--r--drivers/bluetooth/btusb.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index f23c8801ad5c..e9534fbc92e3 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -1345,10 +1345,15 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
if (!urb)
return -ENOMEM;
- /* Use maximum HCI Event size so the USB stack handles
- * ZPL/short-transfer automatically.
- */
- size = HCI_MAX_EVENT_SIZE;
+ if (le16_to_cpu(data->udev->descriptor.idVendor) == 0x0a12 &&
+ le16_to_cpu(data->udev->descriptor.idProduct) == 0x0001)
+ /* Fake CSR devices don't seem to support sort-transter */
+ size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
+ else
+ /* Use maximum HCI Event size so the USB stack handles
+ * ZPL/short-transfer automatically.
+ */
+ size = HCI_MAX_EVENT_SIZE;
buf = kmalloc(size, mem_flags);
if (!buf) {
@@ -4041,8 +4046,10 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
BT_DBG("intf %p", intf);
- /* Don't suspend if there are connections */
- if (hci_conn_count(data->hdev))
+ /* Don't auto-suspend if there are connections; external suspend calls
+ * shall never fail.
+ */
+ if (PMSG_IS_AUTO(message) && hci_conn_count(data->hdev))
return -EBUSY;
if (data->suspend_count++)