amd-iommu: set evt_buf_size correctly

The setting of this variable got lost during the suspend/resume implementation. But keeping this variable zero causes a divide-by-zero error in the interrupt handler. This patch fixes this. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
git-mirror · Jul 2, 2009 · 1bc6f83 · 1bc6f83
1 parent 7a6a3a0
commit 1bc6f83
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
@@ -472,6 +472,8 @@ static u8 * __init alloc_event_buffer(struct amd_iommu *iommu)
 	if (iommu->evt_buf == NULL)
 		return NULL;
 
+	iommu->evt_buf_size = EVT_BUFFER_SIZE;
+
 	return iommu->evt_buf;
 }