From 6ce2a94fa9a777fd21ac9aa42015a6d0b788c749 Mon Sep 17 00:00:00 2001 From: Danny Kukawka Date: Fri, 2 Mar 2012 10:48:35 +0100 Subject: [PATCH] drivers/block/DAC960: fix -Wuninitialized warning MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- drivers/block/DAC960.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c index 487ce64c5493..8db9089127c5 100644 --- a/drivers/block/DAC960.c +++ b/drivers/block/DAC960.c @@ -1177,7 +1177,8 @@ static bool DAC960_V1_EnableMemoryMailboxInterface(DAC960_Controller_T 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); -- 2.39.5