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Re: [PATCH] virtio: vdpa: omit check return of g_malloc


From: Laurent Vivier
Subject: Re: [PATCH] virtio: vdpa: omit check return of g_malloc
Date: Wed, 23 Sep 2020 19:08:56 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0

Le 18/09/2020 à 14:53, Laurent Vivier a écrit :
> On 19/08/2020 16:43, Li Qiang wrote:
>> If g_malloc fails, the application will be terminated.
>> No need to check the return value of g_malloc.
>>
>> Signed-off-by: Li Qiang <liq3ea@163.com>
>> ---
>>  hw/virtio/vhost-vdpa.c | 7 +------
>>  1 file changed, 1 insertion(+), 6 deletions(-)
>>
>> diff --git a/hw/virtio/vhost-vdpa.c b/hw/virtio/vhost-vdpa.c
>> index 4580f3efd8..403ae3ae07 100644
>> --- a/hw/virtio/vhost-vdpa.c
>> +++ b/hw/virtio/vhost-vdpa.c
>> @@ -320,10 +320,8 @@ static int vhost_vdpa_set_config(struct vhost_dev *dev, 
>> const uint8_t *data,
>>      struct vhost_vdpa_config *config;
>>      int ret;
>>      unsigned long config_size = offsetof(struct vhost_vdpa_config, buf);
>> +
>>      config = g_malloc(size + config_size);
>> -    if (config == NULL) {
>> -        return -1;
>> -    }
>>      config->off = offset;
>>      config->len = size;
>>      memcpy(config->buf, data, size);
>> @@ -340,9 +338,6 @@ static int vhost_vdpa_get_config(struct vhost_dev *dev, 
>> uint8_t *config,
>>      int ret;
>>  
>>      v_config = g_malloc(config_len + config_size);
>> -    if (v_config == NULL) {
>> -        return -1;
>> -    }
>>      v_config->len = config_len;
>>      v_config->off = 0;
>>      ret = vhost_vdpa_call(dev, VHOST_VDPA_GET_CONFIG, v_config);
>>
> 
> Reviewed-by: Laurent Vivier <lvivier@redhat.com>
> 
> 

Applied to my trivial-patches branch.

Thanks,
Laurent




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