[PATCH 1/1] drm/amdkfd: sparse: fix incorrect type in assignment

[philip yang]

Reviewed-by: Philip Yang <Philip.Yang at amd.com>

On 2020-07-06 1:45 p.m., Felix Kuehling wrote:
> Ping.
>
> Am 2020-06-26 um 7:39 p.m. schrieb Felix Kuehling:
>> The correct way to implement the fops->poll callback uses EPOLL* macros.
>>
>> For reference see also:
>> commit a9a08845e9ac ("vfs: do bulk POLL* -> EPOLL* replacement")
>> commit 7a163b2195cd ("unify {de,}mangle_poll(), get rid of kernel-side POLL...")
>>
>> Reported-by: kernel test robot <lkp at intel.com>
>> Fixes: 73b753a11ae9 ("drm/amdkfd: Provide SMI events watch")
>> Signed-off-by: Felix Kuehling <Felix.Kuehling at amd.com>
>> ---
>>   drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c | 5 +++--
>>   1 file changed, 3 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
>> index f3782627407f..7b348bf9df21 100644
>> --- a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
>> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
>> @@ -59,13 +59,14 @@ static const struct file_operations kfd_smi_ev_fops = {
>>   static __poll_t kfd_smi_ev_poll(struct file *filep,
>>   				struct poll_table_struct *wait)
>>   {
>> -	__poll_t mask;
>>   	struct kfd_smi_client *client = filep->private_data;
>> +	__poll_t mask = 0;
>>   
>>   	poll_wait(filep, &client->wait_queue, wait);
>>   
>>   	spin_lock(&client->lock);
>> -	mask = kfifo_is_empty(&client->fifo) ? 0 : POLLIN | POLLRDNORM;
>> +	if (!kfifo_is_empty(&client->fifo))
>> +		mask = EPOLLIN | EPOLLRDNORM;
>>   	spin_unlock(&client->lock);
>>   
>>   	return mask;
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