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authorRuiyu Ni <ruiyu.ni@intel.com>2018-08-02 15:48:52 +0800
committerRuiyu Ni <ruiyu.ni@intel.com>2018-10-17 11:03:59 +0800
commit4d2b5066317d3e16dc8041a3e62d3bfe1c90bb02 (patch)
tree683424fa72262214e7da58f7d8b00f3a71391dfa
parent7fb7259fc0ef9dc25fc17f437658562f0d6f9595 (diff)
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SourceLevelDebugPkg/Usb3: Make sure data from HW can fit in buffer
Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com> Cc: Hao A Wu <hao.a.wu@intel.com> Reviewed-by: Hao Wu <hao.a.wu@intel.com> Reviewed-by: Star Zeng <star.zeng@intel.com>
-rw-r--r--SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Transfer.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Transfer.c b/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Transfer.c
index fb48010..fda4327 100644
--- a/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Transfer.c
+++ b/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Transfer.c
@@ -556,6 +556,13 @@ XhcDataTransfer (
XhcExecTransfer (Handle, Urb, Timeout);
+ //
+ // Make sure the data received from HW can fit in the received buffer.
+ //
+ if (Urb->Completed > *DataLength) {
+ return EFI_DEVICE_ERROR;
+ }
+
*DataLength = Urb->Completed;
Status = EFI_TIMEOUT;