On Wed, Sep 12, 2012 at 2:01 PM, Sachin Kamat <sachin.kamat@xxxxxxxxxx> wrote:
> Fixes the following smatch warnings:
> drivers/leds/leds-lm3530.c:361 lm3530_mode_set() info:
> why not propagate 'mode' from lm3530_get_mode_from_str() instead of -22?
> drivers/leds/leds-lm3530.c:432 lm3530_probe() info:
> why not propagate 'err' from lm3530_init_registers() instead of -19?
> drivers/leds/leds-lm3530.c:438 lm3530_probe() info:
> why not propagate 'err' from led_classdev_register() instead of -19?
>
> Reported-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
> Cc: Shreshtha Kumar SAHU <shreshthakumar.sahu@xxxxxxxxxxxxxx>
> Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
> ---
> drivers/leds/leds-lm3530.c | 10 +++++-----
> 1 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/leds/leds-lm3530.c b/drivers/leds/leds-lm3530.c
> index 1e7ed2a..db1de54 100644
> --- a/drivers/leds/leds-lm3530.c
> +++ b/drivers/leds/leds-lm3530.c
> @@ -150,7 +150,7 @@ static int lm3530_get_mode_from_str(const char *str)
> if (sysfs_streq(str, mode_map[i].mode))
> return mode_map[i].mode_val;
>
> - return -1;
> + return -EINVAL;
> }
>
> static void lm3530_als_configure(struct lm3530_platform_data *pdata,
> @@ -358,7 +358,7 @@ static ssize_t lm3530_mode_set(struct device *dev, struct device_attribute
> mode = lm3530_get_mode_from_str(buf);
> if (mode < 0) {
> dev_err(dev, "Invalid mode\n");
> - return -EINVAL;
> + return mode;
> }
>
> drvdata->mode = mode;
> @@ -426,16 +426,16 @@ static int __devinit lm3530_probe(struct i2c_client *client,
>
> if (drvdata->pdata->brt_val) {
> err = lm3530_init_registers(drvdata);
> - if (err < 0) {
> + if (err) {
I'm not sure we need this change here.
> dev_err(&client->dev,
> "Register Init failed: %d\n", err);
> - return -ENODEV;
> + return err;
> }
> }
> err = led_classdev_register(&client->dev, &drvdata->led_dev);
> if (err < 0) {
> dev_err(&client->dev, "Register led class failed: %d\n", err);
> - return -ENODEV;
> + return err;
> }
>
> err = device_create_file(drvdata->led_dev.dev, &dev_attr_mode);
> --
> 1.7.4.1
>
--
Bryan Wu <bryan.wu@xxxxxxxxxxxxx>
Kernel Developer +86.186-168-78255 Mobile
Canonical Ltd. www.canonical.com
Ubuntu - Linux for human beings | www.ubuntu.com
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