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Re: [Qemu-trivial] [PATCH] target: hax: replace g_malloc with g_malloc0


From: Paolo Bonzini
Subject: Re: [Qemu-trivial] [PATCH] target: hax: replace g_malloc with g_malloc0
Date: Thu, 22 Nov 2018 14:04:03 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.3.0

On 22/11/18 13:08, Laurent Vivier wrote:
> On 21/11/2018 18:55, Paolo Bonzini wrote:
>> On 15/11/18 07:05, Li Qiang wrote:
>>> And also the g_malloc doesn't need check return value,
>>> remove it.
>>>
>>> Cc: address@hidden
>>>
>>> Signed-off-by: Li Qiang <address@hidden>
>>> ---
>>>  target/i386/hax-all.c | 15 +++------------
>>>  1 file changed, 3 insertions(+), 12 deletions(-)
>>>
>>> diff --git a/target/i386/hax-all.c b/target/i386/hax-all.c
>>> index d2e512856b..a460c605af 100644
>>> --- a/target/i386/hax-all.c
>>> +++ b/target/i386/hax-all.c
>>> @@ -154,13 +154,7 @@ int hax_vcpu_create(int id)
>>>          return 0;
>>>      }
>>>  
>>> -    vcpu = g_malloc(sizeof(struct hax_vcpu_state));
>>> -    if (!vcpu) {
>>> -        fprintf(stderr, "Failed to alloc vcpu state\n");
>>> -        return -ENOMEM;
>>> -    }
>>> -
>>> -    memset(vcpu, 0, sizeof(struct hax_vcpu_state));
>>> +    vcpu = g_malloc0(sizeof(struct hax_vcpu_state));
>>>  
>>>      ret = hax_host_create_vcpu(hax_global.vm->fd, id);
>>>      if (ret) {
>>> @@ -250,11 +244,8 @@ struct hax_vm *hax_vm_create(struct hax_state *hax)
>>>          return hax->vm;
>>>      }
>>>  
>>> -    vm = g_malloc(sizeof(struct hax_vm));
>>> -    if (!vm) {
>>> -        return NULL;
>>> -    }
>>> -    memset(vm, 0, sizeof(struct hax_vm));
>>> +    vm = g_malloc0(sizeof(struct hax_vm));
>>> +
>>>      ret = hax_host_create_vm(hax, &vm_id);
>>>      if (ret) {
>>>          fprintf(stderr, "Failed to create vm %x\n", ret);
>>>
>>
>> Queued, thanks.
> 
> Markus and Philippe have asked to use g_new0() rather than g_malloc0().

Sorry, not sure why I didn't notice the replies.  Also, it's sent to
qemu-trivial so I'll ignore v2...

Paolo




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