Re: [Qemu-devel] [PATCH] usb: dev-mtp: close fd in usb_mtp_object_readdir()

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 1/3/19 2:31 PM, Li Qiang wrote:
> Spotted by Coverity: CID 1397070

Closing a CVE to open a CID :)

Fixes: bab9df35ce

> 
> Signed-off-by: Li Qiang <liq3ea@163.com>
> ---
>  hw/usb/dev-mtp.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/hw/usb/dev-mtp.c b/hw/usb/dev-mtp.c
> index b19b576278..666bafd9e8 100644
> --- a/hw/usb/dev-mtp.c
> +++ b/hw/usb/dev-mtp.c
> @@ -666,6 +666,7 @@ static void usb_mtp_object_readdir(MTPState *s, MTPObject *o)
>      }
>      dir = fdopendir(fd);
>      if (!dir) {
> +        close(fd);
>          return;

This or:

           goto cleanup_fd;

>      }
>  #ifdef CONFIG_INOTIFY1
> @@ -682,6 +683,7 @@ static void usb_mtp_object_readdir(MTPState *s, MTPObject *o)
>          usb_mtp_add_child(s, o, entry->d_name);
>      }
>      closedir(dir);

And:

cleanup_fd:

> +    close(fd);
>  }
>  
>  /* ----------------------------------------------------------------------- */
> 

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>