staging: drm/omap: Fix usage of IS_ERR_OR_NULL and PTR_ERR

Return PTR_ERR(-ENOMEM) if dmm_txn_init cannot allocate a
refill engine.

Signed-off-by: Andy Gross <andy.gross@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/omapdrm/omap_dmm_tiler.c b/drivers/staging/omapdrm/omap_dmm_tiler.c
index 4d138df..5c809c0 100644 (file)
--- a/drivers/staging/omapdrm/omap_dmm_tiler.c
+++ b/drivers/staging/omapdrm/omap_dmm_tiler.c
@@ -296,7 +296,7 @@ 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 PTR_ERR(-ENOMEM);
 
        tcm_for_each_slice(slice, *area, area_s) {
                struct pat_area p_area = {