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UPSTREAM: drm: factor out drm_close_helper() function

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Will be used to plug an existing memory leak.

Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20190114084410.15266-1-emil.l.velikov@gmail.com
(cherry picked from commit e21710a893)
Bug: 152417756
Signed-off-by: Alistair Delva <adelva@google.com>
Change-Id: Id2ec9a880b3a636e2d1d73d85cb5ff2e8614725e
This commit is contained in:
Emil Velikov
2019-01-14 08:44:09 +00:00
committed by Alistair Delva
parent 8dd22d7e90
commit 89e8a2f6f5
1 changed files with 13 additions and 5 deletions
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18
drivers/gpu/drm/drm_file.c
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@@ -262,6 +262,18 @@ void drm_file_free(struct drm_file *file)
kfree(file);
}
static void drm_close_helper(struct file *filp)
{
struct drm_file *file_priv = filp->private_data;
struct drm_device *dev = file_priv->minor->dev;
mutex_lock(&dev->filelist_mutex);
list_del(&file_priv->lhead);
mutex_unlock(&dev->filelist_mutex);
drm_file_free(file_priv);
}
static int drm_setup(struct drm_device * dev)
{
int ret;
@@ -473,11 +485,7 @@ int drm_release(struct inode *inode, struct file *filp)
DRM_DEBUG("open_count = %d\n", dev->open_count);
mutex_lock(&dev->filelist_mutex);
list_del(&file_priv->lhead);
mutex_unlock(&dev->filelist_mutex);
drm_file_free(file_priv);
drm_close_helper(filp);
if (!--dev->open_count)
drm_lastclose(dev);