From 1e2bd5f53b6282e711e9f074765911868f8e7dc1 Mon Sep 17 00:00:00 2001 From: Maarten Lankhorst Date: Thu, 27 Jun 2013 13:38:21 +0200 Subject: [PATCH] drm/nouveau: fixup fbcon failure paths Add missing calls, and fix a leak from forgetting to call the unpin function. Signed-off-by: Maarten Lankhorst Acked-by: Ben Skeggs Signed-off-by: Dave Airlie --- drivers/gpu/drm/nouveau/nouveau_fbcon.c | 23 ++++++++++++++--------- 1 file changed, 14 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index b03531781580..ecbfe691400c 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -289,16 +289,13 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_VRAM); if (ret) { NV_ERROR(drm, "failed to pin fb: %d\n", ret); - nouveau_bo_ref(NULL, &nvbo); - goto out; + goto out_unref; } ret = nouveau_bo_map(nvbo); if (ret) { NV_ERROR(drm, "failed to map fb: %d\n", ret); - nouveau_bo_unpin(nvbo); - nouveau_bo_ref(NULL, &nvbo); - goto out; + goto out_unpin; } chan = nouveau_nofbaccel ? NULL : drm->channel; @@ -316,13 +313,14 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, info = framebuffer_alloc(0, &pdev->dev); if (!info) { ret = -ENOMEM; - goto out_unref; + goto out_unlock; } ret = fb_alloc_cmap(&info->cmap, 256, 0); if (ret) { ret = -ENOMEM; - goto out_unref; + framebuffer_release(info); + goto out_unlock; } info->par = fbcon; @@ -337,7 +335,7 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, fbcon->helper.fbdev = info; strcpy(info->fix.id, "nouveaufb"); - if (nouveau_nofbaccel) + if (!chan) info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_DISABLED; else info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_COPYAREA | @@ -383,8 +381,14 @@ nouveau_fbcon_create(struct drm_fb_helper *helper, vga_switcheroo_client_fb_set(dev->pdev, info); return 0; -out_unref: +out_unlock: mutex_unlock(&dev->struct_mutex); + if (chan) + nouveau_bo_vma_del(nvbo, &fbcon->nouveau_fb.vma); +out_unpin: + nouveau_bo_unpin(nvbo); +out_unref: + nouveau_bo_ref(NULL, &nvbo); out: return ret; } @@ -413,6 +417,7 @@ nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *fbcon) if (nouveau_fb->nvbo) { nouveau_bo_unmap(nouveau_fb->nvbo); nouveau_bo_vma_del(nouveau_fb->nvbo, &nouveau_fb->vma); + nouveau_bo_unpin(nouveau_fb->nvbo); drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem); nouveau_fb->nvbo = NULL; } -- 2.20.1