diff options
| author | Zhang, Chao B <chao.b.zhang@intel.com> | 2018-02-08 14:22:39 +0800 |
|---|---|---|
| committer | Zhang, Chao B <chao.b.zhang@intel.com> | 2018-02-08 16:09:33 +0800 |
| commit | 28fd7b090d1b416f1e94e52abd08bf16fd404649 (patch) | |
| tree | 36fe7605f1ff483be19bd22354b064ed4ae48099 /SecurityPkg | |
| parent | 0c8b88022372846a377c424f46e671d8868d4ece (diff) | |
| download | edk2-28fd7b090d1b416f1e94e52abd08bf16fd404649.zip edk2-28fd7b090d1b416f1e94e52abd08bf16fd404649.tar.gz edk2-28fd7b090d1b416f1e94e52abd08bf16fd404649.tar.bz2 | |
SecurityPkg: Tcg2Smm: Refine type cast in pointer abstraction
Pointer subtraction is not performed by pointers to elements of the same
array object. Such behavior is undefined by C11 standard and might lead to
potential issues, Refine pointer subtraction by first casting each pointer
to UINTN.
Cc: Hao Wu <hao.a.wu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
Diffstat (limited to 'SecurityPkg')
| -rw-r--r-- | SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c b/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c index 6eb62ae..c3cee83 100644 --- a/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c +++ b/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c @@ -543,7 +543,7 @@ UpdatePossibleResource ( //
DataPtr += 2;
if (DataPtr < DataEndPtr) {
- SetMem(DataPtr, (UINTN)(DataEndPtr - DataPtr), AML_NOOP_OP);
+ SetMem(DataPtr, (UINTN)DataEndPtr - (UINTN)DataPtr, AML_NOOP_OP);
}
return EFI_SUCCESS;
|