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[kvmfornfv.git] / kernel / drivers / media / platform / blackfin / ppi.c

diff --git a/kernel/drivers/media/platform/blackfin/ppi.c b/kernel/drivers/media/platform/blackfin/ppi.c
index cff63e5..b8f3d9f 100644 (file)
--- a/kernel/drivers/media/platform/blackfin/ppi.c
+++ b/kernel/drivers/media/platform/blackfin/ppi.c
@@ -214,6 +214,8 @@ static int ppi_set_params(struct ppi_if *ppi, struct ppi_params *params)
        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))