[PATCH] media: s5p-mfc remove unnecessary error messages

Shuah Khan
2016-07-14T13:35:23Z

On 07/14/2016 06:46 AM, Javier Martinez Canillas wrote:
> Hello Shuah,
>
> On 07/12/2016 08:33 PM, Shuah Khan wrote:
>> Removing unnecessary error messages as appropriate error code is returned.
>>
>> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
>> ---
>> drivers/media/platform/s5p-mfc/s5p_mfc.c | 2 --
>> 1 file changed, 2 deletions(-)
>>
>> diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
>> index b6fde20..906f80c 100644
>> --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
>> +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
>> @@ -759,7 +759,6 @@ static int s5p_mfc_open(struct file *file)
>> /* Allocate memory for context */
>> ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
>> if (!ctx) {
>> - mfc_err("Not enough memory\n");
>
> I agree to remove this since in case of a OOM, the core already does a
> stack dump and prints an error message so there's no need to it here.
>
>> ret = -ENOMEM;
>> goto err_alloc;
>> }
>> @@ -776,7 +775,6 @@ static int s5p_mfc_open(struct file *file)
>> while (dev->ctx[ctx->num]) {
>> ctx->num++;
>> if (ctx->num >= MFC_NUM_CONTEXTS) {
>> - mfc_err("Too many open contexts\n");
>
> But I think this error message shouldn't be removed since explains why
> the open failed, even when an error code is returned.

This message isn't very informative and not sure if it is giving
any more information than EBUSY. It is a good debug message perhaps,
but not an error message. Would it be okay if I made it debug instead.

thanks,
-- Shuah
>
>> ret = -EBUSY;
>> goto err_no_ctx;
>> }
>>
>
> Best regards,
>