On 2018-12-15 13:03, Li Qiang wrote:
> Assert that the return value is not an error. This is like commit
> 7e6478e7d4f for qemu_set_cloexec.
> 
> Signed-off-by: Li Qiang <liq...@163.com>
> ---
>  util/oslib-posix.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/util/oslib-posix.c b/util/oslib-posix.c
> index c1bee2a581..4ce1ba9ca4 100644
> --- a/util/oslib-posix.c
> +++ b/util/oslib-posix.c
> @@ -233,14 +233,18 @@ void qemu_set_block(int fd)
>  {
>      int f;
>      f = fcntl(fd, F_GETFL);
> -    fcntl(fd, F_SETFL, f & ~O_NONBLOCK);
> +    assert(f != -1);
> +    f = fcntl(fd, F_SETFL, f & ~O_NONBLOCK);
> +    assert(f != -1);
>  }
>  
>  void qemu_set_nonblock(int fd)
>  {
>      int f;
>      f = fcntl(fd, F_GETFL);
> -    fcntl(fd, F_SETFL, f | O_NONBLOCK);
> +    assert(f != -1);
> +    f = fcntl(fd, F_SETFL, f | O_NONBLOCK);
> +    assert(f != -1);
>  }

Reviewed-by: Thomas Huth <th...@redhat.com>

Michael, could you take this patch series through your vhost tree? Or
shall I pick them up for the qtests tree? In the latter case, please
provide an ACK for the second patch.


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