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[NTFS] Don't dereference NULL IRP

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CID 1427057
This commit is contained in:
Pierre Schweitzer 2017-12-31 10:31:12 +01:00
parent 7a88e3bfd4
commit 007d3d382a
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GPG key ID: 7545556C3D585B0B
1 changed files with 3 additions and 3 deletions
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6
drivers/filesystems/ntfs/rw.c
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@ -545,6 +545,9 @@ NtfsWrite(PNTFS_IRP_CONTEXT IrpContext)
DPRINT("NtfsWrite(IrpContext %p)\n", IrpContext); DPRINT("NtfsWrite(IrpContext %p)\n", IrpContext);
ASSERT(IrpContext); ASSERT(IrpContext);
// get the I/O request packet
Irp = IrpContext->Irp;
// This request is not allowed on the main device object // This request is not allowed on the main device object
if (IrpContext->DeviceObject == NtfsGlobalData->DeviceObject) if (IrpContext->DeviceObject == NtfsGlobalData->DeviceObject)
{ {
@ -554,9 +557,6 @@ NtfsWrite(PNTFS_IRP_CONTEXT IrpContext)
return STATUS_INVALID_DEVICE_REQUEST; return STATUS_INVALID_DEVICE_REQUEST;
} }
// get the I/O request packet
Irp = IrpContext->Irp;
// get the File control block // get the File control block
Fcb = (PNTFS_FCB)IrpContext->FileObject->FsContext; Fcb = (PNTFS_FCB)IrpContext->FileObject->FsContext;
ASSERT(Fcb); ASSERT(Fcb);