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From b9c5e3668c4022b34734ac8ccb07dd044d4ff38c Mon Sep 17 00:00:00 2001
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From: akallabeth <akallabeth@posteo.net>
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Date: Thu, 13 Oct 2022 08:27:41 +0200
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Subject: [PATCH] Fixed division by zero in urbdrc
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(cherry picked from commit 731f8419d04b481d7160de1f34062d630ed48765)
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---
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channels/urbdrc/client/libusb/libusb_udevice.c | 12 +++++++++---
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1 file changed, 9 insertions(+), 3 deletions(-)
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diff --git a/channels/urbdrc/client/libusb/libusb_udevice.c b/channels/urbdrc/client/libusb/libusb_udevice.c
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index aa69890ae..5784d9fe2 100644
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--- a/channels/urbdrc/client/libusb/libusb_udevice.c
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+++ b/channels/urbdrc/client/libusb/libusb_udevice.c
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@@ -1214,12 +1214,18 @@ static int libusb_udev_isoch_transfer(IUDEVICE* idev, URBDRC_CHANNEL_CALLBACK* c
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if (!Buffer)
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Stream_Seek(user_data->data, (NumberOfPackets * 12));
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- iso_packet_size = BufferSize / NumberOfPackets;
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- iso_transfer = libusb_alloc_transfer(NumberOfPackets);
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+ if (NumberOfPackets > 0)
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+ {
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+ iso_packet_size = BufferSize / NumberOfPackets;
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+ iso_transfer = libusb_alloc_transfer((int)NumberOfPackets);
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+ }
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if (iso_transfer == NULL)
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{
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- WLog_Print(urbdrc->log, WLOG_ERROR, "Error: libusb_alloc_transfer.");
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+ WLog_Print(urbdrc->log, WLOG_ERROR,
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+ "Error: libusb_alloc_transfer [NumberOfPackets=%" PRIu32 ", BufferSize=%" PRIu32
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+ " ]",
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+ NumberOfPackets, BufferSize);
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async_transfer_user_data_free(user_data);
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return -1;
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}
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--
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2.37.1
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