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| author | Michael Kubacki <michael.kubacki@microsoft.com> | 2023-12-12 14:00:40 -0500 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-12-14 21:52:09 +0000 |
| commit | 3ce5f2d445e51efe2aebaa227a055e5c8522d00b (patch) | |
| tree | adab6f7f5f738cf774154b86efc74c70623b1cd9 | |
| parent | 7f5e75895bd6bbfbde191fb8458d324033f76c57 (diff) | |
| download | edk2-3ce5f2d445e51efe2aebaa227a055e5c8522d00b.tar.gz edk2-3ce5f2d445e51efe2aebaa227a055e5c8522d00b.tar.bz2 edk2-3ce5f2d445e51efe2aebaa227a055e5c8522d00b.zip | |
FatPkg/FatPei: Check array offset before use
Move the range check before array access to enforce the bounds
as expected.
Cc: Ray Ni <ray.ni@intel.com>
Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
| -rw-r--r-- | FatPkg/FatPei/FatLiteApi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/FatPkg/FatPei/FatLiteApi.c b/FatPkg/FatPei/FatLiteApi.c index cc48c4c66b..b89ab7009d 100644 --- a/FatPkg/FatPei/FatLiteApi.c +++ b/FatPkg/FatPei/FatLiteApi.c @@ -459,7 +459,7 @@ GetRecoveryCapsuleInfo ( // Find corresponding physical block device
//
BlockDeviceNo = PrivateData->Volume[Index].BlockDeviceNo;
- while (PrivateData->BlockDevice[BlockDeviceNo].Logical && BlockDeviceNo < PrivateData->BlockDeviceCount) {
+ while (BlockDeviceNo < PrivateData->BlockDeviceCount && PrivateData->BlockDevice[BlockDeviceNo].Logical) {
BlockDeviceNo = PrivateData->BlockDevice[BlockDeviceNo].ParentDevNo;
}
|