The get_channel_from_mode() function is supposed to return the channel which matches the mode. But it has a bug where if it doesn't find a matching channel then it returns the last channel. It should return NULL instead.
Also remove an unnecessary NULL check on "channel".
Fixes: 2870b52bae4c ("greybus: lights: add lights implementation") Signed-off-by: Dan Carpenter dan.carpenter@linaro.org --- drivers/staging/greybus/light.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c index d62f97249aca..a5c2fe963866 100644 --- a/drivers/staging/greybus/light.c +++ b/drivers/staging/greybus/light.c @@ -95,15 +95,15 @@ static struct led_classdev *get_channel_cdev(struct gb_channel *channel) static struct gb_channel *get_channel_from_mode(struct gb_light *light, u32 mode) { - struct gb_channel *channel = NULL; + struct gb_channel *channel; int i;
for (i = 0; i < light->channels_count; i++) { channel = &light->channels[i]; - if (channel && channel->mode == mode) - break; + if (channel->mode == mode) + return channel; } - return channel; + return NULL; }
static int __gb_lights_flash_intensity_set(struct gb_channel *channel,