From 35f6926328cd415f6ba24efe49c3f990e44a8948 Mon Sep 17 00:00:00 2001 From: Uri Lublin Date: Sun, 22 Nov 2020 16:21:00 +0200 Subject: usb-backend: create_emulated_device: assert address < 32 This may fix the following static analyzer issue: src/usb-backend.c:1507: large_shift: In expression "1 << address", left shifting by more than 31 bits has undefined behavior. The shift amount, "address", is 32. Signed-off-by: Uri Lublin --- src/usb-backend.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/usb-backend.c b/src/usb-backend.c index 857488e..c76d576 100644 --- a/src/usb-backend.c +++ b/src/usb-backend.c @@ -1482,6 +1482,9 @@ spice_usb_backend_create_emulated_device(SpiceUsbBackend *be, } } + // for static analyzers: it is already checked above + g_assert(address < 32); + dev = g_new0(SpiceUsbDevice, 1); dev->device_info.bus = BUS_NUMBER_FOR_EMULATED_USB; dev->device_info.address = address; -- cgit v1.2.3