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From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: Li Qiang <liq3ea@gmail.com>,
	pbonzini@redhat.com, rth@twiddle.net, ehabkost@redhat.com,
	laurent@vivier.eu
Cc: qemu-trivial@nongnu.org, qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] target: hax: replace g_malloc with g_malloc0
Date: Thu, 15 Nov 2018 11:07:25 +0100	[thread overview]
Message-ID: <a71c8807-6a4d-2dca-6f82-c9a93721d1fb@redhat.com> (raw)
In-Reply-To: <1542261954-4060-1-git-send-email-liq3ea@gmail.com>

On 15/11/18 7:05, Li Qiang wrote:
> And also the g_malloc doesn't need check return value,
> remove it.
> 
> Cc: qemu-trivial@nongnu.org
> 
> Signed-off-by: Li Qiang <liq3ea@gmail.com>
> ---
>   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));

Can you use the g_new form?

        vcpu = g_new0(struct hax_vcpu_state, 1);

>   
>       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));

Ditto.

> +
>       ret = hax_host_create_vm(hax, &vm_id);
>       if (ret) {
>           fprintf(stderr, "Failed to create vm %x\n", ret);
> 

This patch as it or using g_new0:
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

  parent reply	other threads:[~2018-11-15 10:07 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-15  6:05 [Qemu-devel] [PATCH] target: hax: replace g_malloc with g_malloc0 Li Qiang
2018-11-15  8:34 ` [Qemu-devel] [Qemu-trivial] " Laurent Vivier
2018-11-15  9:48 ` [Qemu-devel] " Alex Bennée
2018-11-15 10:07 ` Philippe Mathieu-Daudé [this message]
2018-11-21 17:55 ` Paolo Bonzini
2018-11-22 12:08   ` Laurent Vivier
2018-11-22 13:04     ` Paolo Bonzini
  -- strict thread matches above, loose matches on Subject: below --
2018-11-15  6:00 root
2018-11-15 13:32 ` Markus Armbruster

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