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Sun, 13 Sep 2020 14:17:47 -0700 (PDT) From: Drew Fustini To: linux-arm-kernel@lists.infradead.org, Tony Lindgren , Rob Herring , linux-omap@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, Linus Walleij , Haojian Zhuang , devicetree@vger.kernel.org, bcousson@baylibre.com, Jason Kridner , Robert Nelson , Trent Piepho Subject: [PATCH] pinctrl: single: check if #pinctrl-cells exceeds 3 Date: Sun, 13 Sep 2020 23:08:25 +0200 Message-Id: <20200913210825.2022552-1-drew@beagleboard.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200913_171753_706163_41EF8CF2 X-CRM114-Status: GOOD ( 15.57 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Drew Fustini Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The property #pinctrl-cells can either be 2 or 3. There is currently only a check to make sure that #pinctrl-cells is 2 or greater. This patch adds a check to make sure it is not greater than 3. Fixes: a13395418888 ("pinctrl: single: parse #pinctrl-cells = 2") Reported-by: Trent Piepho Link: https://lore.kernel.org/linux-omap/3139716.CMS8C0sQ7x@zen.local/ Signed-off-by: Drew Fustini --- drivers/pinctrl/pinctrl-single.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index efe41abc5d47..5cbf0e55087c 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1014,7 +1014,7 @@ static int pcs_parse_one_pinctrl_entry(struct pcs_device *pcs, if (res) return res; - if (pinctrl_spec.args_count < 2) { + if (pinctrl_spec.args_count < 2 || pinctrl_spec.args_count > 3) { dev_err(pcs->dev, "invalid args_count for spec: %i\n", pinctrl_spec.args_count); break; -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel