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

Message ID 1508164005-57189-2-git-send-email-u9012063@gmail.com
State Changes Requested
Headers show
Series [ovs-dev,1/2] acinclude: Add support for grep option. | expand

Commit Message

William Tu Oct. 16, 2017, 2:26 p.m. UTC
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@gmail.com>
Cc: Greg Rose <gvrose8192@gmail.com>
---
 acinclude.m4 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Gregory Rose Oct. 18, 2017, 10:34 p.m. UTC | #1
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@gmail.com>
> Cc: Greg Rose <gvrose8192@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@gmail.com>
Reviewed-by: Greg Rose <gvrose8192@gmail.com>
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Patch

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],