On Mon, Aug 11, 2014 at 04:53:06PM +0800, zhanghailiang wrote:
> Signed-off-by: zhanghailiang <zhang.zhanghaili...@huawei.com>
Acked-by: Riku Voipio <riku.voi...@linaro.org>
> ---
> linux-user/syscall.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/linux-user/syscall.c b/linux-user/syscall.c
> index a50229d..8e5ccf1 100644
> --- a/linux-user/syscall.c
> +++ b/linux-user/syscall.c
> @@ -2870,6 +2870,10 @@ static inline abi_long do_msgsnd(int msqid, abi_long
> msgp,
> if (!lock_user_struct(VERIFY_READ, target_mb, msgp, 0))
> return -TARGET_EFAULT;
> host_mb = malloc(msgsz+sizeof(long));
> + if (!host_mb) {
> + unlock_user_struct(target_mb, msgp, 0);
> + return -TARGET_ENOMEM;
> + }
> host_mb->mtype = (abi_long) tswapal(target_mb->mtype);
> memcpy(host_mb->mtext, target_mb->mtext, msgsz);
> ret = get_errno(msgsnd(msqid, host_mb, msgsz, msgflg));
> --
> 1.7.12.4
>
>
