Return -ENOMEM if dmm_txn_init cannot allocate a refill engine.

v2: Fix typing issue seen with newer compilers

Signed-off-by: Andy Gross <andy.gr...@ti.com>
---
 drivers/staging/omapdrm/omap_dmm_tiler.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/omapdrm/omap_dmm_tiler.c 
b/drivers/staging/omapdrm/omap_dmm_tiler.c
index 3ae3955..1499521 100644
--- a/drivers/staging/omapdrm/omap_dmm_tiler.c
+++ b/drivers/staging/omapdrm/omap_dmm_tiler.c
@@ -279,7 +279,7 @@ static int fill(struct tcm_area *area, struct page **pages,
 
        txn = dmm_txn_init(omap_dmm, area->tcm);
        if (IS_ERR_OR_NULL(txn))
-               return PTR_ERR(txn);
+               return -ENOMEM;
 
        tcm_for_each_slice(slice, *area, area_s) {
                struct pat_area p_area = {
-- 
1.7.5.4

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