Messages in this thread Patch in this message |  | | From | Aditya Pakki <> | Subject | [PATCH] drm/noveau: fix reference count leak in nouveau_fbcon_open | Date | Sat, 13 Jun 2020 20:33:42 -0500 |
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nouveau_fbcon_open() calls calls pm_runtime_get_sync() that increments the reference count. In case of failure, decrement the ref count before returning the error.
Signed-off-by: Aditya Pakki <pakki001@umn.edu> --- drivers/gpu/drm/nouveau/nouveau_fbcon.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c index 3d11b84d4cf9..f10d28f8f132 100644 --- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c +++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c @@ -189,8 +189,10 @@ nouveau_fbcon_open(struct fb_info *info, int user) struct nouveau_fbdev *fbcon = info->par; struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev); int ret = pm_runtime_get_sync(drm->dev->dev); - if (ret < 0 && ret != -EACCES) + if (ret < 0 && ret != -EACCES) { + pm_runtime_put(drm->dev->dev); return ret; + } return 0; } -- 2.25.1
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