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Date: Tue, 24 Jan 2017 08:55:56 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Dan Carpenter <dan.carpenter@...cle.com>, Mauro Carvalho Chehab <mchehab@...pensource.com> Subject: [PATCH 4.9 116/130] [media] blackfin: check devm_pinctrl_get() for errors 4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dan Carpenter <dan.carpenter@...cle.com> 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@...cle.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@...pensource.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- 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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