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From: Laurent Vivier <lvivier@redhat.com>
To: Li Qiang <liq3ea@163.com>, mst@redhat.com, jasowang@redhat.com
Cc: "QEMU Trivial" <qemu-trivial@nongnu.org>,
	"Philippe Mathieu-Daudé" <philmd@redhat.com>,
	liq3ea@gmail.com, qemu-devel@nongnu.org,
	"Cindy Lu" <lulu@redhat.com>
Subject: Re: [PATCH] virtio: vdpa: omit check return of g_malloc
Date: Fri, 18 Sep 2020 14:53:58 +0200	[thread overview]
Message-ID: <9e4f982e-2bd1-94f9-724e-6eada04d6096@redhat.com> (raw)
In-Reply-To: <20200819144309.67579-1-liq3ea@163.com>

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>



  parent reply	other threads:[~2020-09-18 12:55 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-19 14:43 [PATCH] virtio: vdpa: omit check return of g_malloc Li Qiang
2020-08-19 15:07 ` Philippe Mathieu-Daudé
2020-08-20  1:26   ` Li Qiang
2020-09-18 13:12     ` Alex Bennée
2020-09-23 18:06       ` Eric Blake
2020-09-18 12:53 ` Laurent Vivier [this message]
2020-09-23 17:08   ` Laurent Vivier
2020-09-18 13:14 ` Alex Bennée

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