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authorMounir IDRASSI <mounir.idrassi@idrix.fr>2022-03-26 20:03:19 +0100
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2022-03-26 21:15:11 +0100
commit762065917f3ac47c3bdcacdb608d35b36dfb3973 (patch)
tree7863397c35f5e560c28150879307acec6c18b3d2 /src/Format/Tcformat.c
parenta0809fe85c2f1bf130c26ff77aea7dac19b6c05f (diff)
downloadVeraCrypt-762065917f3ac47c3bdcacdb608d35b36dfb3973.tar.gz
VeraCrypt-762065917f3ac47c3bdcacdb608d35b36dfb3973.zip
Windows: Add various checks to address Coverity reported issues.
Diffstat (limited to 'src/Format/Tcformat.c')
-rw-r--r--src/Format/Tcformat.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/src/Format/Tcformat.c b/src/Format/Tcformat.c
index 477306ea..efd95caf 100644
--- a/src/Format/Tcformat.c
+++ b/src/Format/Tcformat.c
@@ -9756,11 +9756,18 @@ int AnalyzeHiddenVolumeHost (HWND hwndDlg, int *driveNo, __int64 hiddenVolHostSi
// The map will be scanned to determine the size of the uninterrupted block of free
// space (provided there is any) whose end is aligned with the end of the volume.
// The value will then be used to determine the maximum possible size of the hidden volume.
-
- return ScanVolClusterBitmap (hwndDlg,
- driveNo,
- hiddenVolHostSize / *realClusterSize,
- pnbrFreeClusters);
+ if (*realClusterSize > 0)
+ {
+ return ScanVolClusterBitmap (hwndDlg,
+ driveNo,
+ hiddenVolHostSize / *realClusterSize,
+ pnbrFreeClusters);
+ }
+ else
+ {
+ // should never happen
+ return -1;
+ }
}
else if (!wcsncmp (szFileSystemNameBuffer, L"NTFS", 4) || !_wcsnicmp (szFileSystemNameBuffer, L"exFAT", 5))
{