Mark compaq Fibre Channel driver broken.

It puts two 2kB temp areas on the stack, which is
guaranteed to overflow a 4kB stack if that path
is ever taken.

Both marked in the source, and both should be easy
to fix but need testing.

Found by Jörn Engel.

drivers/scsi/Kconfig

@@ -494,9 +494,15 @@ config SCSI_OMIT_FLASHPOINT
 	  substantial, so users of MultiMaster Host Adapters may wish to omit
 	  it.
 
+#
+# This is marked broken because it uses over 4kB of stack in
+# just two routines:
+#     2076  CpqTsProcessIMQEntry
+#     2052  PeekIMQEntry
+#
 config SCSI_CPQFCTS
 	tristate "Compaq Fibre Channel 64-bit/66Mhz HBA support"
-	depends on PCI && SCSI
+	depends on PCI && SCSI && BROKEN
 	help
 	  Say Y here to compile in support for the Compaq StorageWorks Fibre
 	  Channel 64-bit/66Mhz Host Bus Adapter.

drivers/scsi/cpqfcTScontrol.c

@@ -607,6 +607,7 @@ static int PeekIMQEntry( PTACHYON fcChip, ULONG type)
         if( (fcChip->IMQ->QEntry[CI].type & 0x1FF) == 0x104 )
         { 
           TachFCHDR_GCMND* fchs;
+#error This is too much stack
           ULONG ulFibreFrame[2048/4];  // max DWORDS in incoming FC Frame
 	  USHORT SFQpi = (USHORT)(fcChip->IMQ->QEntry[CI].word[0] & 0x0fffL);
 
@@ -718,6 +719,7 @@ int CpqTsProcessIMQEntry(void *host)
   ULONG x_ID;
   ULONG ulBuff, dwStatus;
   TachFCHDR_GCMND* fchs;
+#error This is too much stack
   ULONG ulFibreFrame[2048/4];  // max number of DWORDS in incoming Fibre Frame
   UCHAR ucInboundMessageType;  // Inbound CM, dword 3 "type" field