Merge branch 'etnaviv/next' of https://git.pengutronix.de/git/lst/linux into drm-next

single etnaviv fix for an error path.
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Lucas Stach <l.stach@pengutronix.de>
Link: https://patchwork.freedesktop.org/patch/msgid/4ae00cfb47c8e6fffca5dbb45ae9370cd4e5eaf4.camel@pengutronix.de

drivers/gpu/drm/etnaviv/etnaviv_iommu.c

@@ -140,8 +140,10 @@ etnaviv_iommuv1_context_alloc(struct etnaviv_iommu_global *global)
 	}
 
 	v1_context = kzalloc(sizeof(*v1_context), GFP_KERNEL);
-	if (!v1_context)
+	if (!v1_context) {
+		mutex_unlock(&global->lock);
 		return NULL;
+	}
 
 	v1_context->pgtable_cpu = dma_alloc_wc(global->dev, PT_SIZE,
 					       &v1_context->pgtable_dma,