diff options
| author | Danny Kukawka <danny.kukawka@bisect.de> | 2012-03-02 10:48:35 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-12-03 12:59:12 -0800 |
| commit | 6ce2a94fa9a777fd21ac9aa42015a6d0b788c749 (patch) | |
| tree | 7f8f6f3e734b228db9b207aa7b389b0052b1727d /drivers/block | |
| parent | a0bdb13484eed7a00069bb477c7d9ebd38e4b911 (diff) | |
drivers/block/DAC960: fix -Wuninitialized warning
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>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/DAC960.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c index 487ce64c549..8db9089127c 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); |