From: Dan Carpenter <dan.carpen...@oracle.com> [ Upstream commit ec0bb482de0ad5e4aba2a4537ea53eaeb77d11a6 ]
If the "handles" allocation or the copy_from_user() fails then we leak "objs". It's supposed to be freed in panfrost_job_cleanup(). Fixes: c117aa4d8701 ("drm: Add a drm_gem_objects_lookup helper") Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com> Signed-off-by: Emil Velikov <emil.l.veli...@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200320132334.GC95012@mwanda Signed-off-by: Sasha Levin <sas...@kernel.org> --- drivers/gpu/drm/drm_gem.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index ee2058ad482c4..d22480ebb29ec 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -709,6 +709,8 @@ int drm_gem_objects_lookup(struct drm_file *filp, void __user *bo_handles, if (!objs) return -ENOMEM; + *objs_out = objs; + handles = kvmalloc_array(count, sizeof(u32), GFP_KERNEL); if (!handles) { ret = -ENOMEM; @@ -722,8 +724,6 @@ int drm_gem_objects_lookup(struct drm_file *filp, void __user *bo_handles, } ret = objects_lookup(filp, handles, count, objs); - *objs_out = objs; - out: kvfree(handles); return ret; -- 2.25.1