From fdfb8332651db7a280851dfccfc4f0cff4bcd052 Mon Sep 17 00:00:00 2001 From: Maarten Lankhorst Date: Mon, 8 Jul 2013 14:50:54 +1000 Subject: [PATCH] drm/nouveau: fix some error-path leaks in fbcon handling code Signed-off-by: Maarten Lankhorst Signed-off-by: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_display.c | 16 ++++++++++------ drivers/gpu/drm/nouveau/nouveau_fbcon.c | 1 + 2 files changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 61fdef8eac49..907d20ef6d4d 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -138,7 +138,7 @@ nouveau_user_framebuffer_create(struct drm_device *dev, { struct nouveau_framebuffer *nouveau_fb; struct drm_gem_object *gem; - int ret; + int ret = -ENOMEM; gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]); if (!gem) @@ -146,15 +146,19 @@ nouveau_user_framebuffer_create(struct drm_device *dev, nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL); if (!nouveau_fb) - return ERR_PTR(-ENOMEM); + goto err_unref; ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem)); - if (ret) { - drm_gem_object_unreference(gem); - return ERR_PTR(ret); - } + if (ret) + goto err; return &nouveau_fb->base; + +err: + kfree(nouveau_fb); +err_unref: + drm_gem_object_unreference(gem); + return ERR_PTR(ret); } static const struct drm_mode_config_funcs nouveau_mode_config_funcs = { diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index 9352010030e9..4c1bc061fae2 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -385,6 +385,7 @@ out_unlock: mutex_unlock(&dev->struct_mutex); if (chan) nouveau_bo_vma_del(nvbo, &fbcon->nouveau_fb.vma); + nouveau_bo_unmap(nvbo); out_unpin: nouveau_bo_unpin(nvbo); out_unref: -- 2.20.1