From: Dan Carpenter dan.carpenter@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.carpenter@oracle.com Signed-off-by: Emil Velikov emil.l.velikov@gmail.com Link: https://patchwork.freedesktop.org/patch/msgid/20200320132334.GC95012@mwanda Signed-off-by: Sasha Levin sashal@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 3087aa710e8da..d847540e4f8c3 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -710,6 +710,8 @@ 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; @@ -723,8 +725,6 @@ 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;