Re: [PATCH] i2c: remove unnecessary 'else' after 'return' statement

From: Wolfram Sang
Date: Wed Aug 06 2014 - 14:55:47 EST


On Wed, Aug 06, 2014 at 12:36:05PM +0530, Kiran Padwal wrote:
> Fix the following warning reported by checkpatch.pl:
>
> WARNING: else is not generally useful after a break or return
>
> Signed-off-by: Kiran Padwal <kiran.padwal@xxxxxxxxxxxxxxx>

Technically true, yet I think the original code is a tad more readable,
so I'll keep it like it is.

> ---
> drivers/i2c/i2c-core.c | 28 ++++++++++++++--------------
> 1 file changed, 14 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
> index 632057a..228bd04 100644
> --- a/drivers/i2c/i2c-core.c
> +++ b/drivers/i2c/i2c-core.c
> @@ -351,8 +351,8 @@ static int i2c_device_pm_suspend(struct device *dev)
>
> if (pm)
> return pm_generic_suspend(dev);
> - else
> - return i2c_legacy_suspend(dev, PMSG_SUSPEND);
> +
> + return i2c_legacy_suspend(dev, PMSG_SUSPEND);
> }
>
> static int i2c_device_pm_resume(struct device *dev)
> @@ -361,8 +361,8 @@ static int i2c_device_pm_resume(struct device *dev)
>
> if (pm)
> return pm_generic_resume(dev);
> - else
> - return i2c_legacy_resume(dev);
> +
> + return i2c_legacy_resume(dev);
> }
>
> static int i2c_device_pm_freeze(struct device *dev)
> @@ -371,8 +371,8 @@ static int i2c_device_pm_freeze(struct device *dev)
>
> if (pm)
> return pm_generic_freeze(dev);
> - else
> - return i2c_legacy_suspend(dev, PMSG_FREEZE);
> +
> + return i2c_legacy_suspend(dev, PMSG_FREEZE);
> }
>
> static int i2c_device_pm_thaw(struct device *dev)
> @@ -381,8 +381,8 @@ static int i2c_device_pm_thaw(struct device *dev)
>
> if (pm)
> return pm_generic_thaw(dev);
> - else
> - return i2c_legacy_resume(dev);
> +
> + return i2c_legacy_resume(dev);
> }
>
> static int i2c_device_pm_poweroff(struct device *dev)
> @@ -391,8 +391,8 @@ static int i2c_device_pm_poweroff(struct device *dev)
>
> if (pm)
> return pm_generic_poweroff(dev);
> - else
> - return i2c_legacy_suspend(dev, PMSG_HIBERNATE);
> +
> + return i2c_legacy_suspend(dev, PMSG_HIBERNATE);
> }
>
> static int i2c_device_pm_restore(struct device *dev)
> @@ -401,8 +401,8 @@ static int i2c_device_pm_restore(struct device *dev)
>
> if (pm)
> return pm_generic_restore(dev);
> - else
> - return i2c_legacy_resume(dev);
> +
> + return i2c_legacy_resume(dev);
> }
> #else /* !CONFIG_PM_SLEEP */
> #define i2c_device_pm_suspend NULL
> @@ -622,8 +622,8 @@ static int i2c_trylock_adapter(struct i2c_adapter *adapter)
>
> if (parent)
> return i2c_trylock_adapter(parent);
> - else
> - return rt_mutex_trylock(&adapter->bus_lock);
> +
> + return rt_mutex_trylock(&adapter->bus_lock);
> }
>
> /**
> --
> 1.7.9.5
>

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