Bluetooth: btintel_pcie: fix tx_handle bounds off-by-one

Valid indices into txq->urbd0s/tfds/bufs are 0..txq->count-1, so
tfd_index == txq->count is already out of range. Change the guard in
btintel_pcie_msix_tx_handle() from '> txq->count' to '>= txq->count'.

This issue was reported by Claude Mythos.

Fixes: c2b636b3f7 ("Bluetooth: btintel_pcie: Add support for PCIe transport")
Signed-off-by: Kiran K <kiran.k@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This commit is contained in:
Kiran K 2026-09-03 20:21:02 +05:30 committed by Luiz Augusto von Dentz
parent 6436e1b533
commit 3dd1b41f96

View File

@ -1099,7 +1099,7 @@ static void btintel_pcie_msix_tx_handle(struct btintel_pcie_data *data)
urbd0 = &txq->urbd0s[cr_tia];
if (urbd0->tfd_index > txq->count)
if (urbd0->tfd_index >= txq->count)
return;
cr_tia = (cr_tia + 1) % txq->count;