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zero the stack buffer before giving random garbage to the SCU

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some messages take 4 bytes, but only fill 3 bytes....
this patch makes sure that whatever we send to the SCU is zeroed first

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This commit is contained in:
Arjan van de Ven 2010-07-26 10:04:37 +01:00 committed by Matthew Garrett
parent 51cd525dce
commit ed6f2b4da3
1 changed files with 2 additions and 0 deletions
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2
drivers/platform/x86/intel_scu_ipc.c
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@ -162,6 +162,8 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id)
mutex_lock(&ipclock);
memset(cbuf, 0, sizeof(cbuf));
if (ipcdev.pdev == NULL) {
mutex_unlock(&ipclock);
return -ENODEV;