netdev - [PATCH net-next v2] net: gro: Fix a 'directive in macro's argument list' sparse warning

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Message-ID: <20220217080755.19195-1-gal@nvidia.com>
Date:   Thu, 17 Feb 2022 10:07:55 +0200
From:   Gal Pressman <gal@...dia.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
CC:     <netdev@...r.kernel.org>, Paolo Abeni <pabeni@...hat.com>,
        Gal Pressman <gal@...dia.com>,
        Maxim Mikityanskiy <maximmi@...dia.com>,
        Alexander Lobakin <alexandr.lobakin@...el.com>
Subject: [PATCH net-next v2] net: gro: Fix a 'directive in macro's argument list' sparse warning

Following the cited commit, sparse started complaining about:
../include/net/gro.h:58:1: warning: directive in macro's argument list
../include/net/gro.h:59:1: warning: directive in macro's argument list

Fix that by moving the defines out of the struct_group() macro.

Fixes: de5a1f3ce4c8 ("net: gro: minor optimization for dev_gro_receive()")
Reviewed-by: Maxim Mikityanskiy <maximmi@...dia.com>
Signed-off-by: Gal Pressman <gal@...dia.com>
Acked-by: Alexander Lobakin <alexandr.lobakin@...el.com>
---
Changelog -
v1->v2: https://lore.kernel.org/netdev/20220216103100.9489-1-gal@nvidia.com/
* Add a comment and fix alignment
---
 include/net/gro.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/net/gro.h b/include/net/gro.h
index a765fedda5c4..867656b0739c 100644
--- a/include/net/gro.h
+++ b/include/net/gro.h
@@ -35,6 +35,9 @@ struct napi_gro_cb {
 	/* jiffies when first packet was created/queued */
 	unsigned long age;
 
+/* Used in napi_gro_cb::free */
+#define NAPI_GRO_FREE             1
+#define NAPI_GRO_FREE_STOLEN_HEAD 2
 	/* portion of the cb set to zero at every gro iteration */
 	struct_group(zeroed,
 
@@ -55,8 +58,6 @@ struct napi_gro_cb {
 
 		/* Free the skb? */
 		u8	free:2;
-#define NAPI_GRO_FREE		  1
-#define NAPI_GRO_FREE_STOLEN_HEAD 2
 
 		/* Used in foo-over-udp, set in udp[46]_gro_receive */
 		u8	is_ipv6:1;
-- 
2.25.1