media: staging: rkisp1: fix test of return value of media_entity_get_fwnode_pad

media_entity_get_fwnode_pad returns negative value on error
and the pad numeber on success. Therefore change the error test
from 'if (ret)' to 'if (ret < 0)' .

Fixes: d65dd85281fb ("media: staging: rkisp1: add Rockchip ISP1 base driver")
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Acked-by: Helen Koike <helen.koike@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/staging/media/rkisp1/rkisp1-dev.c b/drivers/staging/media/rkisp1/rkisp1-dev.c
index 275310d..0f74153 100644 (file)
--- a/drivers/staging/media/rkisp1/rkisp1-dev.c
+++ b/drivers/staging/media/rkisp1/rkisp1-dev.c
@@ -128,7 +128,7 @@ static int rkisp1_create_links(struct rkisp1_device *rkisp1)
 
                ret = media_entity_get_fwnode_pad(&sd->entity, sd->fwnode,
                                                  MEDIA_PAD_FL_SOURCE);
-               if (ret) {
+               if (ret < 0) {
                        dev_err(sd->dev, "failed to find src pad for %s\n",
                                sd->name);
                        return ret;