[ovs-dev] [PATCH 2/2] acinclude: Fix SKB_GSO_UDP check.

[Greg Rose]

On 10/16/2017 07:26 AM, William Tu wrote:
> The HAVE_SKB_GSO_UDP checks whether skbuff.h defines SKB_GSO_UDP.
> However, it falsely returns yes because it finds SKB_GSO_UDP_TUNNEL.
> Thus, add exact match "-w" option for the grep command.
> 
> Fixes: ad283644f0e4 ("acinclude: Check for SKB_GSO_UDP")
> Signed-off-by: William Tu <u9012063 at gmail.com>
> Cc: Greg Rose <gvrose8192 at gmail.com>
> ---
>   acinclude.m4 | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/acinclude.m4 b/acinclude.m4
> index 543e1e3f0630..3158c20fbe55 100644
> --- a/acinclude.m4
> +++ b/acinclude.m4
> @@ -769,7 +769,7 @@ AC_DEFUN([OVS_CHECK_LINUX_COMPAT], [
>                     [nf_conntrack_helper_put],
>                     [OVS_DEFINE(HAVE_NF_CONNTRACK_HELPER_PUT)])
>     OVS_GREP_IFELSE([$KSRC/include/linux/skbuff.h],[SKB_GSO_UDP],
> -                  [OVS_DEFINE([HAVE_SKB_GSO_UDP])])
> +                  [OVS_DEFINE([HAVE_SKB_GSO_UDP])], [], [-w])
>     OVS_GREP_IFELSE([$KSRC/include/net/dst.h],[DST_NOCACHE],
>                     [OVS_DEFINE([HAVE_DST_NOCACHE])])
>     OVS_FIND_FIELD_IFELSE([$KSRC/include/net/rtnetlink.h], [rtnl_link_ops],
> 

Tested-by: Greg Rose <gvrose8192 at gmail.com>
Reviewed-by: Greg Rose <gvrose8192 at gmail.com>