From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ionut Nicu Subject: [PATCH 2/2] i2c-mux-gpio: don't ignore of_get_named_gpio errors Date: Tue, 08 Oct 2013 15:51:53 +0200 Message-ID: <52540DF9.3050802@nsn.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Peter Korsgaard Cc: Wolfram Sang , Alexander Sverdlin , linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-i2c@vger.kernel.org of_get_named_gpio could return -E_PROBE_DEFER or another error code. This error should be passed further instead of being ignored. Signed-off-by: Ionut Nicu --- drivers/i2c/muxes/i2c-mux-gpio.c | 10 +++++++--- 1 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/muxes/i2c-mux-gpio.c b/drivers/i2c/muxes/i2c-mux-gpio.c index eb99f04..6370b47 100644 --- a/drivers/i2c/muxes/i2c-mux-gpio.c +++ b/drivers/i2c/muxes/i2c-mux-gpio.c @@ -66,7 +66,7 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux, struct device_node *adapter_np, *child; struct i2c_adapter *adapter; unsigned *values, *gpios; - int i = 0; + int i = 0, ret; if (!np) return -ENODEV; @@ -116,8 +116,12 @@ static int i2c_mux_gpio_probe_dt(struct gpiomux *mux, return -ENOMEM; } - for (i = 0; i < mux->data.n_gpios; i++) - gpios[i] = of_get_named_gpio(np, "mux-gpios", i); + for (i = 0; i < mux->data.n_gpios; i++) { + ret = of_get_named_gpio(np, "mux-gpios", i); + if (ret < 0) + return ret; + gpios[i] = ret; + } mux->data.gpios = gpios; -- 1.7.1