4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit c9205e18b41a6ef5ad73e1c4b86a78b2ea3ccb9b upstream.
devm_pinctrl_get() can fail so we should check for that.
Fixes: 0a6824bc10de ('[media] v4l2: blackfin: select proper pinctrl state in ppi_set_params if CONFIG_PINCTRL is enabled')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/media/platform/blackfin/ppi.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/media/platform/blackfin/ppi.c
+++ b/drivers/media/platform/blackfin/ppi.c
@@ -214,6 +214,8 @@ static int ppi_set_params(struct ppi_if
if (params->dlen > 24 || params->dlen <= 0)
return -EINVAL;
pctrl = devm_pinctrl_get(ppi->dev);
+ if (IS_ERR(pctrl))
+ return PTR_ERR(pctrl);
pstate = pinctrl_lookup_state(pctrl,
pin_state[(params->dlen + 7) / 8 - 1]);
if (pinctrl_select_state(pctrl, pstate))
--
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