Message ID | 20220609162233.80498-1-andriy.shevchenko@linux.intel.com |
---|---|
State | Superseded |
Headers | show |
Series | [v1,1/1] leds: core: Refactor led_update_brightness() to use standard pattern | expand |
LGTM Acked-by: Denis Osterland-Heim <denis.osterland@diehl.com> -----Original Message----- From: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Sent: Thursday, June 9, 2022 6:23 PM To: Denis OSTERLAND-HEIM <denis.osterland@diehl.com>; Andy Shevchenko <andriy.shevchenko@linux.intel.com>; linux-leds@vger.kernel.org; linux-kernel@vger.kernel.org Cc: Pavel Machek <pavel@ucw.cz> Subject: [PATCH v1 1/1] leds: core: Refactor led_update_brightness() to use standard pattern The standard conditional pattern is to check for errors first and bail out if any. Refactor led_update_brightness() accordingly. While at it, drop unneeded assignment and return 0 unconditionally on success. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/leds/led-core.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c index 4a97cb745788..96a2817712e5 100644 --- a/drivers/leds/led-core.c +++ b/drivers/leds/led-core.c @@ -304,17 +304,17 @@ EXPORT_SYMBOL_GPL(led_set_brightness_sync); int led_update_brightness(struct led_classdev *led_cdev) { -int ret = 0; +int ret; if (led_cdev->brightness_get) { ret = led_cdev->brightness_get(led_cdev); -if (ret >= 0) { -led_cdev->brightness = ret; -return 0; -} +if (ret < 0) +return ret; + +led_cdev->brightness = ret; } -return ret; +return 0; } EXPORT_SYMBOL_GPL(led_update_brightness); -- 2.35.1 Diehl Metering GmbH, Donaustrasse 120, 90451 Nuernberg Sitz der Gesellschaft: Ansbach, Registergericht: Ansbach HRB 69 Geschaeftsfuehrer: Dr. Christof Bosbach (Sprecher), Dipl.-Dolm. Annette Geuther, Dipl.-Kfm. Reiner Edel Bitte denken Sie an die Umwelt, bevor Sie diese E-Mail drucken. Diese E-Mail kann vertrauliche Informationen enthalten. Sollten die in dieser E-Mail enthaltenen Informationen nicht für Sie bestimmt sein, informieren Sie bitte unverzueglich den Absender per E-Mail und loeschen Sie diese E-Mail in Ihrem System. Jede unberechtigte Form der Reproduktion, Bekanntgabe, Aenderung, Verteilung und/oder Publikation dieser E-Mail ist strengstens untersagt. Informationen zum Datenschutz finden Sie auf unserer Homepage<https://www.diehl.com/metering/de/impressum-und-rechtliche-hinweise/>. Before printing, think about environmental responsibility.This message may contain confidential information. If you are not authorized to receive this information please advise the sender immediately by reply e-mail and delete this message without making any copies. Any form of unauthorized use, publication, reproduction, copying or disclosure of the e-mail is not permitted. Information about data protection can be found on our homepage<https://www.diehl.com/metering/en/data-protection/>.
LGTM Acked-by: Denis Osterland <denis.osterland@diehl.com> -----Original Message----- From: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Sent: Thursday, June 9, 2022 6:23 PM To: Denis OSTERLAND-HEIM <denis.osterland@diehl.com>; Andy Shevchenko <andriy.shevchenko@linux.intel.com>; linux-leds@vger.kernel.org; linux-kernel@vger.kernel.org Cc: Pavel Machek <pavel@ucw.cz> Subject: [PATCH v1 1/1] leds: core: Refactor led_update_brightness() to use standard pattern The standard conditional pattern is to check for errors first and bail out if any. Refactor led_update_brightness() accordingly. While at it, drop unneeded assignment and return 0 unconditionally on success. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/leds/led-core.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c index 4a97cb745788..96a2817712e5 100644 --- a/drivers/leds/led-core.c +++ b/drivers/leds/led-core.c @@ -304,17 +304,17 @@ EXPORT_SYMBOL_GPL(led_set_brightness_sync); int led_update_brightness(struct led_classdev *led_cdev) { -int ret = 0; +int ret; if (led_cdev->brightness_get) { ret = led_cdev->brightness_get(led_cdev); -if (ret >= 0) { -led_cdev->brightness = ret; -return 0; -} +if (ret < 0) +return ret; + +led_cdev->brightness = ret; } -return ret; +return 0; } EXPORT_SYMBOL_GPL(led_update_brightness); -- 2.35.1 Diehl Metering GmbH, Donaustrasse 120, 90451 Nuernberg Sitz der Gesellschaft: Ansbach, Registergericht: Ansbach HRB 69 Geschaeftsfuehrer: Dr. Christof Bosbach (Sprecher), Dipl.-Dolm. Annette Geuther, Dipl.-Kfm. Reiner Edel Bitte denken Sie an die Umwelt, bevor Sie diese E-Mail drucken. Diese E-Mail kann vertrauliche Informationen enthalten. Sollten die in dieser E-Mail enthaltenen Informationen nicht für Sie bestimmt sein, informieren Sie bitte unverzueglich den Absender per E-Mail und loeschen Sie diese E-Mail in Ihrem System. Jede unberechtigte Form der Reproduktion, Bekanntgabe, Aenderung, Verteilung und/oder Publikation dieser E-Mail ist strengstens untersagt. Informationen zum Datenschutz finden Sie auf unserer Homepage<https://www.diehl.com/metering/de/impressum-und-rechtliche-hinweise/>. Before printing, think about environmental responsibility.This message may contain confidential information. If you are not authorized to receive this information please advise the sender immediately by reply e-mail and delete this message without making any copies. Any form of unauthorized use, publication, reproduction, copying or disclosure of the e-mail is not permitted. Information about data protection can be found on our homepage<https://www.diehl.com/metering/en/data-protection/>.
diff --git a/drivers/leds/led-core.c b/drivers/leds/led-core.c index 4a97cb745788..96a2817712e5 100644 --- a/drivers/leds/led-core.c +++ b/drivers/leds/led-core.c @@ -304,17 +304,17 @@ EXPORT_SYMBOL_GPL(led_set_brightness_sync); int led_update_brightness(struct led_classdev *led_cdev) { - int ret = 0; + int ret; if (led_cdev->brightness_get) { ret = led_cdev->brightness_get(led_cdev); - if (ret >= 0) { - led_cdev->brightness = ret; - return 0; - } + if (ret < 0) + return ret; + + led_cdev->brightness = ret; } - return ret; + return 0; } EXPORT_SYMBOL_GPL(led_update_brightness);
The standard conditional pattern is to check for errors first and bail out if any. Refactor led_update_brightness() accordingly. While at it, drop unneeded assignment and return 0 unconditionally on success. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/leds/led-core.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)