netdev - [PATCH] [V2] net: hwbm: if CONFIG_NET_HWBM unset, make stub functions static

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Message-Id: <20191022152551.19730-1-ben.dooks@codethink.co.uk>
Date:   Tue, 22 Oct 2019 16:25:51 +0100
From:   "Ben Dooks (Codethink)" <ben.dooks@...ethink.co.uk>
To:     linux-kernel@...ts.codethink.co.uk
Cc:     "Ben Dooks (Codethink)" <ben.dooks@...ethink.co.uk>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] [V2] net: hwbm: if CONFIG_NET_HWBM unset, make stub functions static

If CONFIG_NET_HWBM is not set, then these stub functions in
<net/hwbm.h> should be declared static to avoid trying to
export them from any driver that includes this.

Fixes the following sparse warnings:

./include/net/hwbm.h:24:6: warning: symbol 'hwbm_buf_free' was not declared. Should it be static?
./include/net/hwbm.h:25:5: warning: symbol 'hwbm_pool_refill' was not declared. Should it be static?
./include/net/hwbm.h:26:5: warning: symbol 'hwbm_pool_add' was not declared. Should it be static?

Signed-off-by: Ben Dooks (Codethink) <ben.dooks@...ethink.co.uk>
---
Cc: "David S. Miller" <davem@...emloft.net>
Cc: netdev@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 include/net/hwbm.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/net/hwbm.h b/include/net/hwbm.h
index 81643cf8a1c4..76a303b2925c 100644
--- a/include/net/hwbm.h
+++ b/include/net/hwbm.h
@@ -21,9 +21,9 @@ void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf);
 int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp);
 int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num);
 #else
-void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf) {}
-int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp) { return 0; }
-int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num)
+static inline void hwbm_buf_free(struct hwbm_pool *bm_pool, void *buf) {}
+static inline int hwbm_pool_refill(struct hwbm_pool *bm_pool, gfp_t gfp) { return 0; }
+static inline int hwbm_pool_add(struct hwbm_pool *bm_pool, unsigned int buf_num)
 { return 0; }
 #endif /* CONFIG_HWBM */
 #endif /* _HWBM_H */
-- 
2.23.0