Commit 7c1ab600 authored Apr 04, 2016 by Suman Anna Committed by Joerg Roedel Apr 05, 2016

iommu/omap: Replace BUG() in iopgtable_store_entry_core()



The iopgtable_store_entry_core() function uses a BUG() statement
for an unsupported page size entry programming. Replace this with
a less severe WARN_ON() and perform a graceful bailout on error.

Signed-off-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

parent 521f4082

drivers/iommu/omap-iommu.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -628,10 +628,12 @@ iopgtable_store_entry_core(struct omap_iommu obj, struct iotlb_entry e)
		break;
		default:
		fn = NULL;
		BUG();
		break;
		}

		if (WARN_ON(!fn))
		return -EINVAL;

		prot = get_iopte_attr(e);

		spin_lock(&obj->page_table_lock);