[PATCH] dmar: Zero out memory

[Hannes Reinecke]

kmemcheck complained about the use of uninitialized memory.
So there.

Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>

diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
index 86e2f4a..2623a57 100644
--- a/drivers/iommu/dmar.c
+++ b/drivers/iommu/dmar.c
@@ -1040,7 +1040,7 @@ int dmar_enable_qi(struct intel_iommu *iommu)
 
 	qi->desc = page_address(desc_page);
 
-	qi->desc_status = kmalloc(QI_LENGTH * sizeof(int), GFP_ATOMIC);
+	qi->desc_status = kzalloc(QI_LENGTH * sizeof(int), GFP_ATOMIC);
 	if (!qi->desc_status) {
 		free_page((unsigned long) qi->desc);
 		kfree(qi);
--
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