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drm/omap: accept NULL for dma_addr in omap_gem_pin
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@ti.com> Reviewed-by: Jean-Jacques Hiblot <jjhiblot@ti.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191010120000.1421-4-jjhiblot@ti.com
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drivers/gpu/drm/omapdrm
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@ -819,9 +819,11 @@ int omap_gem_pin(struct drm_gem_object *obj, dma_addr_t *dma_addr)
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refcount_inc(&omap_obj->dma_addr_cnt);
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}
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*dma_addr = omap_obj->dma_addr;
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if (dma_addr)
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*dma_addr = omap_obj->dma_addr;
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} else if (omap_gem_is_contiguous(omap_obj)) {
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*dma_addr = omap_obj->dma_addr;
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if (dma_addr)
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*dma_addr = omap_obj->dma_addr;
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} else {
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ret = -EINVAL;
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goto fail;
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