[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 1/2 v3] qemu-user: Impl. setsockopt(SO_BINDTODEV
From: |
Peter Maydell |
Subject: |
Re: [Qemu-devel] [PATCH 1/2 v3] qemu-user: Impl. setsockopt(SO_BINDTODEVICE) |
Date: |
Sat, 12 Jul 2014 17:31:18 +0100 |
On 12 July 2014 14:47, Joakim Tjernlund <address@hidden> wrote:
[cc'ing Riku who's the linux-user maintainer.]
> Signed-off-by: Joakim Tjernlund <address@hidden>
> ---
> linux-user/syscall.c | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index 57c1664..3ef046a 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -1497,6 +1497,25 @@ set_timeout:
> unlock_user_struct(tfprog, optval_addr, 1);
> return ret;
> }
> + case TARGET_SO_BINDTODEVICE:
> + {
> + char *dev_ifname, *addr_ifname;
> +
> + if (optlen > IFNAMSIZ - 1) {
> + optlen = IFNAMSIZ - 1;
> + }
> + dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1);
> + if (!dev_ifname) {
> + return -TARGET_EFAULT;
> + }
> + optname = SO_BINDTODEVICE;
> + addr_ifname = alloca(IFNAMSIZ);
> + memcpy(addr_ifname, dev_ifname, optlen);
> + addr_ifname[optlen] = 0;
> + ret = get_errno(setsockopt(sockfd, level, optname,
> addr_ifname, optlen));
> + unlock_user (dev_ifname, optval_addr, 0);
> + return ret;
> + }
> /* Options with 'int' argument. */
> case TARGET_SO_DEBUG:
> optname = SO_DEBUG;
> --
> 1.8.5.5
Reviewed-by: Peter Maydell <address@hidden>
thanks
-- PMM