[ 03/37] drivers/block/DAC960: fix -Wuninitialized warning

[Greg Kroah-Hartman]

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Danny Kukawka <danny.kukawka@xxxxxxxxx>

commit cecd353a02fb1405c8a72a324b26b5acf97e7411 upstream.

Set CommandMailbox with memset before use it. Fix for:

drivers/block/DAC960.c: In function âDAC960_V1_EnableMemoryMailboxInterfaceâ:
arch/x86/include/asm/io.h:61:1: warning: âCommandMailbox.Bytes[12]â
 may be used uninitialized in this function [-Wuninitialized]
drivers/block/DAC960.c:1175:30: note: âCommandMailbox.Bytes[12]â
 was declared here

Signed-off-by: Danny Kukawka <danny.kukawka@xxxxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/block/DAC960.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -1177,7 +1177,8 @@ static bool DAC960_V1_EnableMemoryMailbo
   int TimeoutCounter;
   int i;
 
-  
+  memset(&CommandMailbox, 0, sizeof(DAC960_V1_CommandMailbox_T));
+
   if (pci_set_dma_mask(Controller->PCIDevice, DMA_BIT_MASK(32)))
 	return DAC960_Failure(Controller, "DMA mask out of range");
   Controller->BounceBufferLimit = DMA_BIT_MASK(32);


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