From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Carpenter Date: Thu, 14 Jul 2016 10:18:14 +0000 Subject: [patch] [media] blackfin: check devm_pinctrl_get() for errors Message-Id: <20160714101813.GC18175@mwanda> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Scott Jiang , Sonic Zhang Cc: Maurom.chehab@samsung.com, adi-buildroot-devel@lists.sourceforge.net, linux-media@vger.kernel.org, kernel-janitors@vger.kernel.org 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 diff --git a/drivers/media/platform/blackfin/ppi.c b/drivers/media/platform/blackfin/ppi.c index cff63e5..b8f3d9f 100644 --- 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 *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))