| Message ID | 1459809981-37984-3-git-send-email-s-anna@ti.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index c05d48f88596..f6cf728ee32a 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -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);
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> --- drivers/iommu/omap-iommu.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)