LEDS: memory leak in blinkm_led_common_set()
This can return without freeing the bl_work struct. Also there was no
check for allocation failure.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jan-Simon Möller <jansimon.moeller@gmx.de>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
diff --git a/drivers/leds/leds-blinkm.c b/drivers/leds/leds-blinkm.c
index 5a9df43..ae6ad63 100644
--- a/drivers/leds/leds-blinkm.c
+++ b/drivers/leds/leds-blinkm.c
@@ -468,8 +468,7 @@
/* led_brightness is 0, 127 or 255 - we just use it here as-is */
struct blinkm_led *led = cdev_to_blmled(led_cdev);
struct blinkm_data *data = i2c_get_clientdata(led->i2c_client);
- struct blinkm_work *bl_work = kzalloc(sizeof(struct blinkm_work),
- GFP_ATOMIC);
+ struct blinkm_work *bl_work;
switch (color) {
case RED:
@@ -511,6 +510,10 @@
return -EINVAL;
}
+ bl_work = kzalloc(sizeof(*bl_work), GFP_ATOMIC);
+ if (!bl_work)
+ return -ENOMEM;
+
atomic_inc(&led->active);
dev_dbg(&led->i2c_client->dev,
"#TO_SCHED# next_red = %d, next_green = %d,"
