Re: [PATCH 1/2] netdev: Use virNetDevIsVirtualFunction() properly

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On 25.02.2016 14:02, Andrea Bolognani wrote:
> virNetDevIsVirtualFunction() returns 1 if the interface is a
> virtual function, 0 if it isn't and -1 on error. This means that,
> despite the name suggesting otherwise, using it as a predicate is
> not correct.
> 
> Fix two callers that were doing so adding an explicit check on
> the return value.
> ---
>  src/util/virnetdev.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/src/util/virnetdev.c b/src/util/virnetdev.c
> index ea95552..9e39c26 100644
> --- a/src/util/virnetdev.c
> +++ b/src/util/virnetdev.c
> @@ -2531,7 +2531,7 @@ virNetDevReplaceNetConfig(const char *linkdev, int vf,
>      int ret = -1;
>      char *pfdevname = NULL;
>  
> -    if (vf == -1 && virNetDevIsVirtualFunction(linkdev)) {
> +    if (vf == -1 && virNetDevIsVirtualFunction(linkdev) == 1) {
>          /* If this really *is* a VF and the caller just didn't know
>           * it, we should set the MAC address via PF+vf# instead of
>           * setting directly via VF, because the latter will be
> @@ -2571,7 +2571,7 @@ virNetDevRestoreNetConfig(const char *linkdev, int vf, const char *stateDir)
>      char *pfdevname = NULL;
>      const char *vfdevname = NULL;
>  
> -    if (vf == -1 && virNetDevIsVirtualFunction(linkdev)) {
> +    if (vf == -1 && virNetDevIsVirtualFunction(linkdev) == 1) {
>          /* If this really *is* a VF and the caller just didn't know
>           * it, we should set the MAC address via PF+vf# instead of
>           * setting directly via VF, because the latter will be
> 

ACK and safe for the freeze.

Nice catch btw.

Michal

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