[media] V4L: mt9m111: fix missing return value check mt9m111_reg_clear
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/mt9m111.c b/drivers/media/video/mt9m111.c
index cbccc86..8d8420a 100644
--- a/drivers/media/video/mt9m111.c
+++ b/drivers/media/video/mt9m111.c
@@ -250,7 +250,9 @@
int ret;
ret = mt9m111_reg_read(client, reg);
- return mt9m111_reg_write(client, reg, ret & ~data);
+ if (ret >= 0)
+ ret = mt9m111_reg_write(client, reg, ret & ~data);
+ return ret;
}
static int mt9m111_set_context(struct mt9m111 *mt9m111,