diff mbox

[v2] PM / sysfs: avoid shadowing variables

Message ID 1410158880-11413-1-git-send-email-johannes@sipsolutions.net (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Johannes Berg Sept. 8, 2014, 6:48 a.m. UTC
From: Johannes Berg <johannes.berg@intel.com>

The global variable "enabled" is shadowed in a number of
functions in this file, rename it to "_enabled" to avoid
that. For consistency, also rename "disabled" and move
them both into the #ifdef where they're needed.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
 drivers/base/power/sysfs.c | 24 +++++++++++++-----------
 1 file changed, 13 insertions(+), 11 deletions(-)

Comments

Rafael J. Wysocki Sept. 8, 2014, 9:03 p.m. UTC | #1
On Monday, September 08, 2014 08:48:00 AM Johannes Berg wrote:
> From: Johannes Berg <johannes.berg@intel.com>
> 
> The global variable "enabled" is shadowed in a number of
> functions in this file, rename it to "_enabled" to avoid
> that. For consistency, also rename "disabled" and move
> them both into the #ifdef where they're needed.
> 
> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
> Acked-by: Pavel Machek <pavel@ucw.cz>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Queued up for 3.18, thanks!

> ---
>  drivers/base/power/sysfs.c | 24 +++++++++++++-----------
>  1 file changed, 13 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c
> index 95b181d1ca6d..a9d26ed11bf4 100644
> --- a/drivers/base/power/sysfs.c
> +++ b/drivers/base/power/sysfs.c
> @@ -92,9 +92,6 @@
>   *	wakeup_count - Report the number of wakeup events related to the device
>   */
>  
> -static const char enabled[] = "enabled";
> -static const char disabled[] = "disabled";
> -
>  const char power_group_name[] = "power";
>  EXPORT_SYMBOL_GPL(power_group_name);
>  
> @@ -336,11 +333,14 @@ static DEVICE_ATTR(pm_qos_remote_wakeup, 0644,
>  #endif /* CONFIG_PM_RUNTIME */
>  
>  #ifdef CONFIG_PM_SLEEP
> +static const char _enabled[] = "enabled";
> +static const char _disabled[] = "disabled";
> +
>  static ssize_t
>  wake_show(struct device * dev, struct device_attribute *attr, char * buf)
>  {
>  	return sprintf(buf, "%s\n", device_can_wakeup(dev)
> -		? (device_may_wakeup(dev) ? enabled : disabled)
> +		? (device_may_wakeup(dev) ? _enabled : _disabled)
>  		: "");
>  }
>  
> @@ -357,11 +357,11 @@ wake_store(struct device * dev, struct device_attribute *attr,
>  	cp = memchr(buf, '\n', n);
>  	if (cp)
>  		len = cp - buf;
> -	if (len == sizeof enabled - 1
> -			&& strncmp(buf, enabled, sizeof enabled - 1) == 0)
> +	if (len == sizeof _enabled - 1
> +			&& strncmp(buf, _enabled, sizeof _enabled - 1) == 0)
>  		device_set_wakeup_enable(dev, 1);
> -	else if (len == sizeof disabled - 1
> -			&& strncmp(buf, disabled, sizeof disabled - 1) == 0)
> +	else if (len == sizeof _disabled - 1
> +			&& strncmp(buf, _disabled, sizeof _disabled - 1) == 0)
>  		device_set_wakeup_enable(dev, 0);
>  	else
>  		return -EINVAL;
> @@ -570,7 +570,8 @@ static ssize_t async_show(struct device *dev, struct device_attribute *attr,
>  			  char *buf)
>  {
>  	return sprintf(buf, "%s\n",
> -			device_async_suspend_enabled(dev) ? enabled : disabled);
> +			device_async_suspend_enabled(dev) ?
> +				_enabled : _disabled);
>  }
>  
>  static ssize_t async_store(struct device *dev, struct device_attribute *attr,
> @@ -582,9 +583,10 @@ static ssize_t async_store(struct device *dev, struct device_attribute *attr,
>  	cp = memchr(buf, '\n', n);
>  	if (cp)
>  		len = cp - buf;
> -	if (len == sizeof enabled - 1 && strncmp(buf, enabled, len) == 0)
> +	if (len == sizeof _enabled - 1 && strncmp(buf, _enabled, len) == 0)
>  		device_enable_async_suspend(dev);
> -	else if (len == sizeof disabled - 1 && strncmp(buf, disabled, len) == 0)
> +	else if (len == sizeof _disabled - 1 &&
> +		 strncmp(buf, _disabled, len) == 0)
>  		device_disable_async_suspend(dev);
>  	else
>  		return -EINVAL;
>
diff mbox

Patch

diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c
index 95b181d1ca6d..a9d26ed11bf4 100644
--- a/drivers/base/power/sysfs.c
+++ b/drivers/base/power/sysfs.c
@@ -92,9 +92,6 @@ 
  *	wakeup_count - Report the number of wakeup events related to the device
  */
 
-static const char enabled[] = "enabled";
-static const char disabled[] = "disabled";
-
 const char power_group_name[] = "power";
 EXPORT_SYMBOL_GPL(power_group_name);
 
@@ -336,11 +333,14 @@  static DEVICE_ATTR(pm_qos_remote_wakeup, 0644,
 #endif /* CONFIG_PM_RUNTIME */
 
 #ifdef CONFIG_PM_SLEEP
+static const char _enabled[] = "enabled";
+static const char _disabled[] = "disabled";
+
 static ssize_t
 wake_show(struct device * dev, struct device_attribute *attr, char * buf)
 {
 	return sprintf(buf, "%s\n", device_can_wakeup(dev)
-		? (device_may_wakeup(dev) ? enabled : disabled)
+		? (device_may_wakeup(dev) ? _enabled : _disabled)
 		: "");
 }
 
@@ -357,11 +357,11 @@  wake_store(struct device * dev, struct device_attribute *attr,
 	cp = memchr(buf, '\n', n);
 	if (cp)
 		len = cp - buf;
-	if (len == sizeof enabled - 1
-			&& strncmp(buf, enabled, sizeof enabled - 1) == 0)
+	if (len == sizeof _enabled - 1
+			&& strncmp(buf, _enabled, sizeof _enabled - 1) == 0)
 		device_set_wakeup_enable(dev, 1);
-	else if (len == sizeof disabled - 1
-			&& strncmp(buf, disabled, sizeof disabled - 1) == 0)
+	else if (len == sizeof _disabled - 1
+			&& strncmp(buf, _disabled, sizeof _disabled - 1) == 0)
 		device_set_wakeup_enable(dev, 0);
 	else
 		return -EINVAL;
@@ -570,7 +570,8 @@  static ssize_t async_show(struct device *dev, struct device_attribute *attr,
 			  char *buf)
 {
 	return sprintf(buf, "%s\n",
-			device_async_suspend_enabled(dev) ? enabled : disabled);
+			device_async_suspend_enabled(dev) ?
+				_enabled : _disabled);
 }
 
 static ssize_t async_store(struct device *dev, struct device_attribute *attr,
@@ -582,9 +583,10 @@  static ssize_t async_store(struct device *dev, struct device_attribute *attr,
 	cp = memchr(buf, '\n', n);
 	if (cp)
 		len = cp - buf;
-	if (len == sizeof enabled - 1 && strncmp(buf, enabled, len) == 0)
+	if (len == sizeof _enabled - 1 && strncmp(buf, _enabled, len) == 0)
 		device_enable_async_suspend(dev);
-	else if (len == sizeof disabled - 1 && strncmp(buf, disabled, len) == 0)
+	else if (len == sizeof _disabled - 1 &&
+		 strncmp(buf, _disabled, len) == 0)
 		device_disable_async_suspend(dev);
 	else
 		return -EINVAL;