linux-kernel - Re: [PATCH 2/2] Staging: rtl8192e: Fix sparse warning

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Date:	Sun, 06 Apr 2014 14:43:45 -0700
From:	Joe Perches <joe@...ches.com>
To:	Joel Pelaez Jorge <joelpelaez@...il.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Silvan Jegen <s.jegen@...il.com>, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] Staging: rtl8192e: Fix sparse warning

On Sun, 2014-04-06 at 16:30 -0500, Joel Pelaez Jorge wrote:
> Include the header 'rtl_wx.h' to 'rtl_wx.c'
> 
> 'rtl_wx.h' has the declarations used for some source files of
> the driver. It has:
> 
> extern struct iw_handler_def r8192_wx_handlers_def;

Likely this extern should be
extern const struct iw_handler_def ...

---

 drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 3 +--
 drivers/staging/rtl8192e/rtl8192e/rtl_wx.c   | 2 +-
 drivers/staging/rtl8192e/rtl8192e/rtl_wx.h   | 2 +-
 3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index c01abc2..fa087b6 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -2926,8 +2926,7 @@ static int rtl8192_pci_probe(struct pci_dev *pdev,
 
 	dev->netdev_ops = &rtl8192_netdev_ops;
 
-	dev->wireless_handlers = (struct iw_handler_def *)
-				 &r8192_wx_handlers_def;
+	dev->wireless_handlers = &r8192_wx_handlers_def;
 	dev->ethtool_ops = &rtl819x_ethtool_ops;
 
 	dev->type = ARPHRD_ETHER;
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
index 498995d..2ba5e5c 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.c
@@ -1320,7 +1320,7 @@ static struct iw_statistics *r8192_get_wireless_stats(struct net_device *dev)
 	return wstats;
 }
 
-struct iw_handler_def  r8192_wx_handlers_def = {
+const struct iw_handler_def r8192_wx_handlers_def = {
 	.standard = r8192_wx_handlers,
 	.num_standard = ARRAY_SIZE(r8192_wx_handlers),
 	.private = r8192_private_handler,
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.h b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.h
index 6a51a25..83747eb 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_wx.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_wx.h
@@ -24,7 +24,7 @@ struct net_device;
 struct iw_handler_def;
 struct iw_statistics;
 
-extern struct iw_handler_def r8192_wx_handlers_def;
+extern const struct iw_handler_def r8192_wx_handlers_def;
 struct iw_statistics *r8192_get_wireless_stats(struct net_device *dev);
 u16 rtl8192_11n_user_show_rates(struct net_device *dev);
 


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