On Wednesday, October 22, 2025 8:47 PM Ma Ke wrote: > driver_find_device() calls get_device() to increment the reference > count once a matching device is found, but there is no put_device() to > balance the reference count. To avoid reference count leakage, add > put_device() to decrease the reference count. > > Found by code review. > > Cc: [email protected] > Fixes: a31500fe7055 ("drm/tegra: dc: Restore coupling of display controllers") > Signed-off-by: Ma Ke <[email protected]> > --- > 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; >
Acked-by: Mikko Perttunen <[email protected]>
