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WIndows driver: add check for failed memory allocation

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This commit is contained in:
Mounir IDRASSI 2018-08-14 23:24:30 +02:00
parent 17af27bc7f
commit 6cdcbac305
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GPG Key ID: DD0C382D5FCFB8FC
1 changed files with 11 additions and 8 deletions
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19
src/Driver/Ntdriver.c
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@ -3734,16 +3734,19 @@ NTSTATUS MountDevice (PDEVICE_OBJECT DeviceObject, MOUNT_STRUCT *mount)
IO_STATUS_BLOCK ioblock;
ULONG labelInfoSize = sizeof(FILE_FS_LABEL_INFORMATION) + (labelEffectiveLen * sizeof(WCHAR));
FILE_FS_LABEL_INFORMATION* labelInfo = (FILE_FS_LABEL_INFORMATION*) TCalloc (labelInfoSize);
labelInfo->VolumeLabelLength = labelEffectiveLen * sizeof(WCHAR);
memcpy (labelInfo->VolumeLabel, mount->wszLabel, labelInfo->VolumeLabelLength);
if (STATUS_SUCCESS == ZwSetVolumeInformationFile (volumeHandle, &ioblock, labelInfo, labelInfoSize, FileFsLabelInformation))
if (labelInfo)
{
mount->bDriverSetLabel = TRUE;
NewExtension->bDriverSetLabel = TRUE;
}
labelInfo->VolumeLabelLength = labelEffectiveLen * sizeof(WCHAR);
memcpy (labelInfo->VolumeLabel, mount->wszLabel, labelInfo->VolumeLabelLength);
TCfree(labelInfo);
if (STATUS_SUCCESS == ZwSetVolumeInformationFile (volumeHandle, &ioblock, labelInfo, labelInfoSize, FileFsLabelInformation))
{
mount->bDriverSetLabel = TRUE;
NewExtension->bDriverSetLabel = TRUE;
}
TCfree(labelInfo);
}
}
__except (EXCEPTION_EXECUTE_HANDLER)
{