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 <ioan.nicu.ext@xxxxxxx>
---
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
--
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