The driver_find_device() function returns a device with its reference count incremented. The caller is responsible for calling put_device() to release this reference when done. Fix this leak by adding the missing put_device() call.

Found via static analysis.

Fixes: f68ba6912bd2 ("drm/tegra: dc: Link DC1 to DC0 on Tegra20") Cc: stable@vger.kernel.org Signed-off-by: Miaoqian Lin linmq006@gmail.com --- drivers/gpu/drm/tegra/dc.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 59d5c1ba145a..6c84bd69b11f 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -3148,6 +3148,7 @@ static int tegra_dc_couple(struct tegra_dc *dc) dc->client.parent = &parent->client;

dev_dbg(dc->dev, "coupled to %s\n", dev_name(companion)); + put_device(companion); }

return 0;