Messages in this thread Patch in this message |  | | From | Greg Kroah-Hartman <> | Subject | [ 03/37] drivers/block/DAC960: fix -Wuninitialized warning | Date | Fri, 30 Nov 2012 10:45:50 -0800 |
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3.0-stable review patch. If anyone has any objections, please let me know.
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From: Danny Kukawka <danny.kukawka@bisect.de>
commit cecd353a02fb1405c8a72a324b26b5acf97e7411 upstream.
Set CommandMailbox with memset before use it. Fix for:
drivers/block/DAC960.c: In function ‘DAC960_V1_EnableMemoryMailboxInterface’: arch/x86/include/asm/io.h:61:1: warning: ‘CommandMailbox.Bytes[12]’ may be used uninitialized in this function [-Wuninitialized] drivers/block/DAC960.c:1175:30: note: ‘CommandMailbox.Bytes[12]’ was declared here
Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- 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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