From: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
Allow NULL to be passed in 'dma_addr' for omap_gem_pin(), in case the
caller does not need the dma_addr.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
---
drivers/gpu/drm/omapdrm/omap_gem.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/omapdrm/omap_gem.c b/drivers/gpu/drm/omapdrm/omap_gem.c
index 3071e815da73..2ac83cdbb15a 100644
--- a/drivers/gpu/drm/omapdrm/omap_gem.c
+++ b/drivers/gpu/drm/omapdrm/omap_gem.c
@@ -817,9 +817,11 @@ int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr)
refcount_inc(&omap_obj->dma_addr_cnt);
}
- *dma_addr = omap_obj->dma_addr;
+ if (dma_addr)
+ *dma_addr = omap_obj->dma_addr;
} else if (omap_gem_is_contiguous(omap_obj)) {
- *dma_addr = omap_obj->dma_addr;
+ if (dma_addr)
+ *dma_addr = omap_obj->dma_addr;
} else {
ret = -EINVAL;
goto fail;
--
2.17.1
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