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SubjectRe: [PATCH] HID: i2c-hid: Fix error handling
On Sun, 19 Feb 2017, Christophe JAILLET wrote:

> According to error handling in this function, it is likely that some
> resources should be freed before returning.
> Replace 'return ret', with 'goto err'.
>
> While at it, remove some spaces at the beginning of the lines to be more
> consistent.
>
>
> Fixes: ead0687fe304a ("HID: i2c-hid: support regulator power on/off")
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
> ---
> drivers/hid/i2c-hid/i2c-hid.c | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
> index d5288f3fb5ee..1a57ac2d8524 100644
> --- a/drivers/hid/i2c-hid/i2c-hid.c
> +++ b/drivers/hid/i2c-hid/i2c-hid.c
> @@ -1058,13 +1058,13 @@ static int i2c_hid_probe(struct i2c_client *client,
> }
>
> ihid->pdata.supply = devm_regulator_get(&client->dev, "vdd");
> - if (IS_ERR(ihid->pdata.supply)) {
> - ret = PTR_ERR(ihid->pdata.supply);
> - if (ret != -EPROBE_DEFER)
> - dev_err(&client->dev, "Failed to get regulator: %d\n",
> - ret);
> - return ret;
> - }
> + if (IS_ERR(ihid->pdata.supply)) {
> + ret = PTR_ERR(ihid->pdata.supply);
> + if (ret != -EPROBE_DEFER)
> + dev_err(&client->dev, "Failed to get regulator: %d\n",
> + ret);
> + goto err;
> + }

I don't see any spaces at the beginning of lines in the version that's in
my tree ... o_O?

Therefore I've converted this patch into simple 'return ret -> goto err'
transformation and applied on top for-4.12/i2c-hid.

Thanks,

--
Jiri Kosina
SUSE Labs

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