usb: xhci-mtk: check boundary before check tt
authorChunfeng Yun <chunfeng.yun@mediatek.com>
Tue, 17 Aug 2021 08:36:27 +0000 (16:36 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 26 Aug 2021 11:39:20 +0000 (13:39 +0200)
commit614c8c67a071d44be54266b78c21e2a505ac1b32
treee8e1e685f15bf0b6a60bb8f5d14e4d09c9132e74
parent451d3912586aad3f71f1c97780a1c21e3de98413
usb: xhci-mtk: check boundary before check tt

check_sch_tt() will access fs_bus_bw[] array, check boundary
firstly to avoid out-of-bounds issue.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1629189389-18779-7-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/host/xhci-mtk-sch.c