Hi Prabhakar,
On 11/09/2012 08:33 PM, Prabhakar Lad wrote:
> Hi Wei,
>
> Thanks for the patch.
>
> On Wed, Oct 24, 2012 at 4:59 PM, Wei Yongjun <weiyj...@gmail.com> wrote:
>> From: Wei Yongjun <yongjun_...@trendmicro.com.cn>
>>
>> In case of error, the function vb2_dma_contig_init_ctx() returns
>> ERR_PTR() and never returns NULL. The NULL test in the return value
>> check should be replaced with IS_ERR().
>>
>> dpatch engine is used to auto generate this patch.
>> (https://github.com/weiyj/dpatch)
>>
>> Signed-off-by: Wei Yongjun <yongjun_...@trendmicro.com.cn>
>> ---
>> drivers/media/platform/davinci/vpif_display.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/media/platform/davinci/vpif_display.c
>> b/drivers/media/platform/davinci/vpif_display.c
>> index b716fbd..5453bbb 100644
>> --- a/drivers/media/platform/davinci/vpif_display.c
>> +++ b/drivers/media/platform/davinci/vpif_display.c
>> @@ -972,9 +972,9 @@ static int vpif_reqbufs(struct file *file, void *priv,
>> }
>> /* Initialize videobuf2 queue as per the buffer type */
>> common->alloc_ctx = vb2_dma_contig_init_ctx(vpif_dev);
>> - if (!common->alloc_ctx) {
>> + if (IS_ERR(common->alloc_ctx)) {
> Right check would be IS_ERR_OR_NULL(). Can you merge this
> patch 'vpif_capture: fix return value check in vpif_reqbufs()' with
> this one and post a v2 with above changes ?
I will merge those two patch into one.
And I never see vb2_dma_contig_init_ctx() can return NULL as a return
value, we still would using IS_ERR_OR_NULL()?
---------------------------------------------------
void *vb2_dma_contig_init_ctx(struct device *dev)
{
struct vb2_dc_conf *conf;
conf = kzalloc(sizeof *conf, GFP_KERNEL);
if (!conf)
return ERR_PTR(-ENOMEM);
conf->dev = dev;
return conf;
}
---------------------------------------------------
--
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