Hi Bjorn,
On 2020/1/22 8:39, Bjorn Andersson wrote:
> On Mon 20 Jan 05:01 PST 2020, Chen Zhou wrote:
>
>> Fixes coccicheck warning:
>> ./drivers/video/backlight/qcom-wled.c:1104:5-15:
>> WARNING: Unsigned expression compared with zero: string_len > 0
>>
>> The unsigned variable string_len is assigned a return value from the call
>> to wled_configure, which may return negative error code.
>>
>
> Afaict string_len is the return value of
> of_property_count_elems_of_size(), rather than wled_configure(). (And
> please append () to function names to make it even more obvious)
>
> Except for that your patch looks good, so please update the commit
> message and add my Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
>
> Regards,
> Bjorn
Thanks for your review, i will fix this in next version.
Thanks,
Chen Zhou
>
>> Fixes: 775d2ffb4af6 ("backlight: qcom-wled: Restructure the driver for WLED3")
>> Signed-off-by: Chen Zhou <chenzhou10@xxxxxxxxxx>
>> ---
>> drivers/video/backlight/qcom-wled.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/video/backlight/qcom-wled.c b/drivers/video/backlight/qcom-wled.c
>> index d46052d..3d276b3 100644
>> --- a/drivers/video/backlight/qcom-wled.c
>> +++ b/drivers/video/backlight/qcom-wled.c
>> @@ -956,8 +956,8 @@ static int wled_configure(struct wled *wled, int version)
>> struct wled_config *cfg = &wled->cfg;
>> struct device *dev = wled->dev;
>> const __be32 *prop_addr;
>> - u32 size, val, c, string_len;
>> - int rc, i, j;
>> + u32 size, val, c;
>> + int rc, i, j, string_len;
>>
>> const struct wled_u32_opts *u32_opts = NULL;
>> const struct wled_u32_opts wled3_opts[] = {
>> --
>> 2.7.4
>>
>
> .
>
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