greybus-dev September 2017

greybus-dev@lists.linaro.org

3 participants
4 discussions

[PATCH] staging: greybus: light: remove unnecessary error check

by Arvind Yadav

It is not necessary to check return value of gb_lights_channel_flash_config. gb_lights_channel_config returns both successful and error value. Signed-off-by: Arvind Yadav <arvind.yadav.cs(a)gmail.com> --- drivers/staging/greybus/light.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c index 0f538b8..d7da475 100644 --- a/drivers/staging/greybus/light.c +++ b/drivers/staging/greybus/light.c @@ -1000,11 +1000,7 @@ static int gb_lights_channel_config(struct gb_light *light, light->has_flash = true; - ret = gb_lights_channel_flash_config(channel); - if (ret < 0) - return ret; - - return ret; + return gb_lights_channel_flash_config(channel); } static int gb_lights_light_config(struct gb_lights *glights, u8 id) -- 2.7.4

6 years, 7 months

[PATCH v3] staging: greybus: light: Release memory obtained by kasprintf

by Arvind Yadav

Free memory region, if gb_lights_channel_config is not successful. Signed-off-by: Arvind Yadav <arvind.yadav.cs(a)gmail.com> --- changes in v2: - Subject line changed. - add kfree in __gb_lights_led_unregister(). - No need to check return value of gb_lights_channel_flash_config(). changes ib v3: - separate patch for "No need to check return value of gb_lights_channel_flash_config()". drivers/staging/greybus/light.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c index 3f4148c..0f538b8 100644 --- a/drivers/staging/greybus/light.c +++ b/drivers/staging/greybus/light.c @@ -925,6 +925,8 @@ static void __gb_lights_led_unregister(struct gb_channel *channel) return; led_classdev_unregister(cdev); + kfree(cdev->name); + cdev->name = NULL; channel->led = NULL; } -- 2.7.4

6 years, 7 months

[PATCH v2] staging: greybus: light: Release memory obtained by kasprintf

by Arvind Yadav

- Free memory region, if gb_lights_channel_config is not successful. - No need to add check for gb_lights_channel_flash_config(). Signed-off-by: Arvind Yadav <arvind.yadav.cs(a)gmail.com> --- changes in v2: - Subject line changed. - add kfree in __gb_lights_led_unregister(). - No need to check return value of gb_lights_channel_flash_config(). drivers/staging/greybus/light.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c index 3f4148c..bc1f8d2 100644 --- a/drivers/staging/greybus/light.c +++ b/drivers/staging/greybus/light.c @@ -926,6 +926,8 @@ static void __gb_lights_led_unregister(struct gb_channel *channel) led_classdev_unregister(cdev); channel->led = NULL; + kfree(cdev->name); + cdev->name = NULL; } static void gb_lights_channel_unregister(struct gb_channel *channel) @@ -998,11 +1000,8 @@ static int gb_lights_channel_config(struct gb_light *light, light->has_flash = true; - ret = gb_lights_channel_flash_config(channel); - if (ret < 0) - return ret; + return gb_lights_channel_flash_config(channel); - return ret; } static int gb_lights_light_config(struct gb_lights *glights, u8 id) -- 1.9.1

6 years, 7 months

[PATCH] media: staging: greybus: Release memory obtained by kasprintf

by Arvind Yadav

Free memory region, if gb_lights_channel_config is not successful. Signed-off-by: Arvind Yadav <arvind.yadav.cs(a)gmail.com> --- drivers/staging/greybus/light.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c index 3f4148c..b00d47c 100644 --- a/drivers/staging/greybus/light.c +++ b/drivers/staging/greybus/light.c @@ -984,7 +984,7 @@ static int gb_lights_channel_config(struct gb_light *light, ret = channel_attr_groups_set(channel, cdev); if (ret < 0) - return ret; + goto err; gb_lights_led_operations_set(channel, cdev); @@ -994,15 +994,18 @@ static int gb_lights_channel_config(struct gb_light *light, * configurations. */ if (!is_channel_flash(channel)) - return ret; + goto err; light->has_flash = true; ret = gb_lights_channel_flash_config(channel); if (ret < 0) - return ret; + goto err; return ret; +err: + kfree(cdev->name); + return ret; } static int gb_lights_light_config(struct gb_lights *glights, u8 id) -- 1.9.1

6 years, 7 months

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greybus-dev September 2017