linux-kernel - [PATCH] staging:vt6655 Add extern variable in head file

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Date:	Tue, 16 Dec 2014 15:39:50 +0800
From:	sunwxg <sun.wxg@...il.com>
To:	Forest Bond <forest@...ttletooquiet.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Guido Martínez <guido@...guardiasur.com.ar>,
	Silvio Fricke <silvio.fricke@...il.com>
Cc:	Sun Wang <sun.wxg@...il.com>, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] staging:vt6655 Add extern variable in head file

From: Sun Wang <sun.wxg@...il.com>

Subject: [PATCH] staging:vt6655 Add extern variable in head file

Extern variable must be declared in head file. Compiler can catch the inconsistency when variable changes. 

Signed-off-by: Sun Wang <sun.wxg@...il.com>

---
 drivers/staging/vt6655/ioctl.c | 1 -
 drivers/staging/vt6655/ioctl.h | 5 +++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/vt6655/ioctl.c b/drivers/staging/vt6655/ioctl.c
index 970e80d..716fc89 100644
--- a/drivers/staging/vt6655/ioctl.c
+++ b/drivers/staging/vt6655/ioctl.c
@@ -31,7 +31,6 @@
  */
 
 #include "ioctl.h"
-#include "iocmd.h"
 #include "mac.h"
 #include "card.h"
 #include "hostap.h"
diff --git a/drivers/staging/vt6655/ioctl.h b/drivers/staging/vt6655/ioctl.h
index 2dc5a57..42f6910 100644
--- a/drivers/staging/vt6655/ioctl.h
+++ b/drivers/staging/vt6655/ioctl.h
@@ -30,6 +30,11 @@
 #define __IOCTL_H__
 
 #include "device.h"
+#include "iocmd.h"
+
+#ifdef WPA_SM_Transtatus
+extern SWPAResult wpa_Result;
+#endif
 
 int private_ioctl(struct vnt_private *, struct ifreq *rq);
 
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