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[media] blackfin: check devm_pinctrl_get() for errors
devm_pinctrl_get() can fail so we should check for that.
Fixes: 0a6824bc10
('[media] v4l2: blackfin: select proper pinctrl state in ppi_set_params if CONFIG_PINCTRL is enabled')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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1 changed files with 2 additions and 0 deletions
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@ -214,6 +214,8 @@ static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params)
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if (params->dlen > 24 || params->dlen <= 0)
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return -EINVAL;
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pctrl = devm_pinctrl_get(ppi->dev);
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if (IS_ERR(pctrl))
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return PTR_ERR(pctrl);
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pstate = pinctrl_lookup_state(pctrl,
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pin_state[(params->dlen + 7) / 8 - 1]);
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if (pinctrl_select_state(pctrl, pstate))
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