From Jérôme Duval <jerome.duval@xxxxxxxxx>:
Jérôme Duval has uploaded this change for review. (
https://review.haiku-os.org/c/haiku/+/3611 ;)
Change subject: xhci: SubmitNormalRequest: divide exception on zero trbSize
......................................................................
xhci: SubmitNormalRequest: divide exception on zero trbSize
workaround for #16586
---
M src/add-ons/kernel/busses/usb/xhci.cpp
1 file changed, 3 insertions(+), 0 deletions(-)
git pull ssh://git.haiku-os.org:22/haiku refs/changes/11/3611/1
diff --git a/src/add-ons/kernel/busses/usb/xhci.cpp
b/src/add-ons/kernel/busses/usb/xhci.cpp
index ce841c4..2b8a16a 100644
--- a/src/add-ons/kernel/busses/usb/xhci.cpp
+++ b/src/add-ons/kernel/busses/usb/xhci.cpp
@@ -815,6 +815,9 @@
return B_BAD_VALUE;
}
+ if (trbSize == 0)
+ return B_BAD_VALUE;
+
// Now that we know trbSize, compute the count.
const int32 trbCount = (transfer->DataLength() + trbSize - 1) / trbSize;
--
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Gerrit-Project: haiku
Gerrit-Branch: master
Gerrit-Change-Id: Id9d538f46b62585f4a12c3796781ae1207ed2454
Gerrit-Change-Number: 3611
Gerrit-PatchSet: 1
Gerrit-Owner: Jérôme Duval <jerome.duval@xxxxxxxxx>
Gerrit-MessageType: newchange
