MdeModulePkg/Core/PiSmmCore/PiSmmCore.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
Cc: Hao Wu <hao.a.wu@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Star Zeng <star.zeng@intel.com>
---
MdeModulePkg/Core/PiSmmCore/PiSmmCore.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c
index 1ccb9c7787ad..f136b5d5693b 100644
--- a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c
+++ b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c
@@ -321,7 +321,7 @@ SmmReadyToBootHandler (
NULL,
(VOID **)&SxDispatch
);
- if (!EFI_ERROR (Status)) {
+ if (!EFI_ERROR (Status) && (SxDispatch != NULL)) {
//
// Register a S3 entry callback function to
// determine if it will be during S3 resume.
--
2.7.0.windows.1
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Reviewed-by: Hao Wu <hao.a.wu@intel.com> Best Regards, Hao Wu > -----Original Message----- > From: Zeng, Star > Sent: Wednesday, December 13, 2017 11:28 AM > To: edk2-devel@lists.01.org > Cc: Zeng, Star; Wu, Hao A; Yao, Jiewen > Subject: [PATCH] MdeModulePkg PiSmmCore: Ensure SxDispatch not NULL > before dereferenced > > Cc: Hao Wu <hao.a.wu@intel.com> > Cc: Jiewen Yao <jiewen.yao@intel.com> > Contributed-under: TianoCore Contribution Agreement 1.1 > Signed-off-by: Star Zeng <star.zeng@intel.com> > --- > MdeModulePkg/Core/PiSmmCore/PiSmmCore.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c > b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c > index 1ccb9c7787ad..f136b5d5693b 100644 > --- a/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c > +++ b/MdeModulePkg/Core/PiSmmCore/PiSmmCore.c > @@ -321,7 +321,7 @@ SmmReadyToBootHandler ( > NULL, > (VOID **)&SxDispatch > ); > - if (!EFI_ERROR (Status)) { > + if (!EFI_ERROR (Status) && (SxDispatch != NULL)) { > // > // Register a S3 entry callback function to > // determine if it will be during S3 resume. > -- > 2.7.0.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
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