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powerpc: kmalloc failure ignored in vio_build_iommu_table()
[linux-block.git]
/
arch
/
powerpc
/
kernel
/
vio.c
diff --git
a/arch/powerpc/kernel/vio.c
b/arch/powerpc/kernel/vio.c
index bc7b41edbdfce10671e942cc0857fdf9d022ea5e..1b4f674ad7c40632776dd32acaafd558b5767f96 100644
(file)
--- a/
arch/powerpc/kernel/vio.c
+++ b/
arch/powerpc/kernel/vio.c
@@
-1054,6
+1054,8
@@
static struct iommu_table *vio_build_iommu_table(struct vio_dev *dev)
return NULL;
tbl = kmalloc(sizeof(*tbl), GFP_KERNEL);
+ if (tbl == NULL)
+ return NULL;
of_parse_dma_window(dev->dev.archdata.of_node, dma_window,
&tbl->it_index, &offset, &size);