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authorEmil Velikov <emil.velikov@collabora.com>2019-01-14 08:44:09 +0000
committerEmil Velikov <emil.l.velikov@gmail.com>2019-02-13 17:39:32 +0000
commite21710a893c8705360b764fa44061d72d65fb2ae (patch)
tree74fdc7f85c35c7a9f0e33b29271a4183f85056d7 /drivers/gpu/drm/drm_file.c
parent4933c9a494416a8edc3166ce3f3ce3836a6af01d (diff)
drm: factor out drm_close_helper() function
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
Diffstat (limited to 'drivers/gpu/drm/drm_file.c')
-rw-r--r--drivers/gpu/drm/drm_file.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_file.c b/drivers/gpu/drm/drm_file.c
index 46f48f245eb5..e9607acfb629 100644
--- a/drivers/gpu/drm/drm_file.c
+++ b/drivers/gpu/drm/drm_file.c
@@ -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);