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[acls] removing unneeded safety checks

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This commit is contained in:
Olga Kornievskaia 2011-09-23 12:12:45 -04:00
parent 3295a9da05
commit 7e52f53097
2 changed files with 15 additions and 50 deletions
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50
sys/nfs41_driver.c
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@ -3977,29 +3977,16 @@ NTSTATUS nfs41_QuerySecurityInformation (
DbgP("CurrentTime %x Saved Acl time %x\n",
current_time.QuadPart, nfs41_fobx->time.QuadPart);
if (current_time.QuadPart - nfs41_fobx->time.QuadPart <= 20*1000) {
if (RtlValidSecurityDescriptor(nfs41_fobx->acl)) {
DbgP("Received a valid security descriptor\n");
if (MmIsAddressValid(RxContext->CurrentIrp->UserBuffer)) {
PSECURITY_DESCRIPTOR sec_desc = (PSECURITY_DESCRIPTOR)
RxContext->CurrentIrp->UserBuffer;
DbgP("Received a valid user pointer\n");
RtlCopyMemory(sec_desc, nfs41_fobx->acl, nfs41_fobx->acl_len);
RxContext->IoStatusBlock.Information =
RxContext->InformationToReturn = nfs41_fobx->acl_len;
RxContext->IoStatusBlock.Status = status = STATUS_SUCCESS;
PSECURITY_DESCRIPTOR sec_desc = (PSECURITY_DESCRIPTOR)
RxContext->CurrentIrp->UserBuffer;
RtlCopyMemory(sec_desc, nfs41_fobx->acl, nfs41_fobx->acl_len);
RxContext->IoStatusBlock.Information =
RxContext->InformationToReturn = nfs41_fobx->acl_len;
RxContext->IoStatusBlock.Status = status = STATUS_SUCCESS;
#ifdef ENABLE_TIMINGS
InterlockedIncrement(&getacl.sops);
InterlockedAdd64(&getacl.size, nfs41_fobx->acl_len);
InterlockedIncrement(&getacl.sops);
InterlockedAdd64(&getacl.size, nfs41_fobx->acl_len);
#endif
} else {
DbgP("Received invalid user pointer\n");
status = STATUS_INTERNAL_ERROR;
goto out;
}
} else {
DbgP("Invalid saved security descriptor, do an upcall\n");
status = STATUS_INTERNAL_ERROR;
}
}
RxFreePool(nfs41_fobx->acl);
nfs41_fobx->acl = NULL;
@ -4037,21 +4024,9 @@ NTSTATUS nfs41_QuerySecurityInformation (
nfs41_fobx->acl_len = entry->u.Acl.buf_len;
KeQuerySystemTime(&nfs41_fobx->time);
} else if (entry->status == STATUS_SUCCESS) {
if (RtlValidSecurityDescriptor(entry->u.Acl.buf)) {
DbgP("Received a valid security descriptor\n");
if (MmIsAddressValid(RxContext->CurrentIrp->UserBuffer)) {
PSECURITY_DESCRIPTOR sec_desc = (PSECURITY_DESCRIPTOR)
RxContext->CurrentIrp->UserBuffer;
DbgP("Received a valid user pointer\n");
RtlCopyMemory(sec_desc, entry->u.Acl.buf, entry->u.Acl.buf_len);
} else {
DbgP("Received invalid user pointer\n");
status = STATUS_INTERNAL_ERROR;
}
} else {
DbgP("Received invalid security descriptor\n");
status = STATUS_INTERNAL_ERROR;
}
PSECURITY_DESCRIPTOR sec_desc = (PSECURITY_DESCRIPTOR)
RxContext->CurrentIrp->UserBuffer;
RtlCopyMemory(sec_desc, entry->u.Acl.buf, entry->u.Acl.buf_len);
#ifdef ENABLE_TIMINGS
InterlockedIncrement(&getacl.sops);
InterlockedAdd64(&getacl.size, entry->u.Acl.buf_len);
@ -4061,8 +4036,7 @@ NTSTATUS nfs41_QuerySecurityInformation (
nfs41_fobx->acl_len = 0;
RxContext->IoStatusBlock.Information = RxContext->InformationToReturn =
entry->u.Acl.buf_len;
if (!status)
RxContext->IoStatusBlock.Status = status = STATUS_SUCCESS;
RxContext->IoStatusBlock.Status = status = STATUS_SUCCESS;
} else {
status = map_query_acl_error(entry->status);
}