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| author | Star Zeng <star.zeng@intel.com> | 2018-02-09 10:25:12 +0800 |
|---|---|---|
| committer | Star Zeng <star.zeng@intel.com> | 2018-02-11 10:33:35 +0800 |
| commit | b39c572e70e1f42f302c892fa22f931469eaae5e (patch) | |
| tree | 928205a5094623316c2b9d3b8667a29a67b61f29 /SourceLevelDebugPkg/Library | |
| parent | 7d675727fa92e5ac95dcd7fbc788927e3cb1ae22 (diff) | |
| download | edk2-b39c572e70e1f42f302c892fa22f931469eaae5e.tar.gz edk2-b39c572e70e1f42f302c892fa22f931469eaae5e.tar.bz2 edk2-b39c572e70e1f42f302c892fa22f931469eaae5e.zip | |
SourceLevelDebugPkg DebugUsb3: Check mUsb3Instance before dereferencing it
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Hao Wu <hao.a.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
(cherry picked from commit 6ef394ffe29bbc67038fc16ed540bfe6eed10e16)
Diffstat (limited to 'SourceLevelDebugPkg/Library')
| -rw-r--r-- | SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Dxe.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Dxe.c b/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Dxe.c index 1582b9a8d6..29cec56f39 100644 --- a/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Dxe.c +++ b/SourceLevelDebugPkg/Library/DebugCommunicationLibUsb3/DebugCommunicationLibUsb3Dxe.c @@ -443,7 +443,7 @@ DebugCommunicationUsb3DxeConstructor ( }
Done:
- if (mUsb3Instance->Ready && (mUsb3Instance->PciIoEvent == 0)) {
+ if ((mUsb3Instance != NULL) && mUsb3Instance->Ready && (mUsb3Instance->PciIoEvent == 0)) {
Status = Usb3NamedEventListen (
&gEfiPciIoProtocolGuid,
TPL_NOTIFY,
|