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Add check when use *Pointer as Sd->mRight[*Pointer] to avoid out of Array bound.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7382 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lgao4
2009-02-01 04:48:29 +00:00
parent 3dc3861a4e
commit 29666911f7
1 changed files with 7 additions and 5 deletions
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2
MdePkg/Library/BaseUefiDecompressLib/BaseUefiDecompressLib.c
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@@ -226,11 +226,13 @@ MakeTable (
*Pointer = Avail++; *Pointer = Avail++;
} }
if (*Pointer < (2 * NC - 1)) {
if ((Index3 & Mask) != 0) { if ((Index3 & Mask) != 0) {
Pointer = &Sd->mRight[*Pointer]; Pointer = &Sd->mRight[*Pointer];
} else { } else {
Pointer = &Sd->mLeft[*Pointer]; Pointer = &Sd->mLeft[*Pointer];
} }
}
Index3 <<= 1; Index3 <<= 1;
Index--; Index--;