netdev - [PATCH v3 1/2] net: ethernet: i40e: fix build error

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Date:   Fri, 7 Sep 2018 19:19:34 +0800
From:   Wang Dongsheng <dongsheng.wang@...-semitech.com>
To:     <jeffrey.t.kirsher@...el.com>, <sergei.shtylyov@...entembedded.com>
CC:     <jacob.e.keller@...el.com>, <davem@...emloft.net>,
        <intel-wired-lan@...ts.osuosl.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        Wang Dongsheng <dongsheng.wang@...-semitech.com>
Subject: [PATCH v3 1/2] net: ethernet: i40e: fix build error

Remove "inline" from __i40e_add_stat_strings and move the function.

In file included from
drivers/net/ethernet/intel/i40e/i40e_ethtool.c:9:0:
drivers/net/ethernet/intel/i40e/i40e_ethtool.c: In function
__i40e_add_stat_string:
drivers/net/ethernet/intel/i40e/i40e_ethtool_stats.h:193:20: error:
function __i40e_add_stat_strings can never be inlined because it uses
variable argument lists
 static inline void __i40e_add_stat_strings(u8 **p, const struct
					    i40e_stats stats[],

Tested on: x86_64, make ARCH=i386

Modules section .text:
i40e: 00019380 <__i40e_add_stat_strings>:
i40evf: 00006b00 <__i40e_add_stat_strings>:

Buildin section .text:
i40e: c351ca60 <__i40e_add_stat_strings>:
i40evf: c354f2c0 <__i40e_add_stat_strings>:

Signed-off-by: Wang Dongsheng <dongsheng.wang@...-semitech.com>
---
V3: add static 
V2: Move function
---
 .../net/ethernet/intel/i40e/i40e_ethtool.c    | 24 ++++++++++++++++++
 .../ethernet/intel/i40e/i40e_ethtool_stats.h  | 25 ++-----------------
 2 files changed, 26 insertions(+), 23 deletions(-)

diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index d7d3974beca2..34121a72f2e7 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -1821,6 +1821,30 @@ static void i40e_get_ethtool_stats(struct net_device *netdev,
 		  "ethtool stats count mismatch!");
 }
 
+/**
+ * __i40e_add_stat_strings - copy stat strings into ethtool buffer
+ * @p: ethtool supplied buffer
+ * @stats: stat definitions array
+ * @size: size of the stats array
+ *
+ * Format and copy the strings described by stats into the buffer pointed at
+ * by p.
+ **/
+static void __i40e_add_stat_strings(u8 **p, const struct i40e_stats stats[],
+				    const unsigned int size, ...)
+{
+	unsigned int i;
+
+	for (i = 0; i < size; i++) {
+		va_list args;
+
+		va_start(args, size);
+		vsnprintf(*p, ETH_GSTRING_LEN, stats[i].stat_string, args);
+		*p += ETH_GSTRING_LEN;
+		va_end(args);
+	}
+}
+
 /**
  * i40e_get_stat_strings - copy stat strings into supplied buffer
  * @netdev: the netdev to collect strings for
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool_stats.h b/drivers/net/ethernet/intel/i40e/i40e_ethtool_stats.h
index bba1cb0b658f..553b0d720839 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool_stats.h
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool_stats.h
@@ -181,29 +181,8 @@ i40e_add_queue_stats(u64 **data, struct i40e_ring *ring)
 	*data += size;
 }
 
-/**
- * __i40e_add_stat_strings - copy stat strings into ethtool buffer
- * @p: ethtool supplied buffer
- * @stats: stat definitions array
- * @size: size of the stats array
- *
- * Format and copy the strings described by stats into the buffer pointed at
- * by p.
- **/
-static inline void __i40e_add_stat_strings(u8 **p, const struct i40e_stats stats[],
-				    const unsigned int size, ...)
-{
-	unsigned int i;
-
-	for (i = 0; i < size; i++) {
-		va_list args;
-
-		va_start(args, size);
-		vsnprintf(*p, ETH_GSTRING_LEN, stats[i].stat_string, args);
-		*p += ETH_GSTRING_LEN;
-		va_end(args);
-	}
-}
+static void __i40e_add_stat_strings(u8 **p, const struct i40e_stats stats[],
+				    const unsigned int size, ...);
 
 /**
  * 40e_add_stat_strings - copy stat strings into ethtool buffer
-- 
2.18.0