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From: Larry Finger <Larry.Finger@lwfinger.net>
To: gregkh@linuxfoundation.org
Cc: netdev@vger.kernel.org, Larry Finger <Larry.Finger@lwfinger.net>,
	devel@driverdev.osuosl.org
Subject: [PATCH 3/9 RESENT] staging: r8188eu: Fix sparse warnings in ioctl_linux.c
Date: Fri, 18 Oct 2013 16:34:31 -0500	[thread overview]
Message-ID: <5261A967.9000909@lwfinger.net> (raw)
In-Reply-To: <1382129563-8496-1-git-send-email-Larry.Finger@lwfinger.net>

Sparse checking results in the following warnings:

   CHECK   drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3932:17: warning: cast removes 
address space of expression
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3933:31: warning: incorrect type 
in argument 1 (different address spaces)
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3933:31:    expected void const 
*<noident>
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3933:31:    got void [noderef] 
<asn:1>*pointer
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3935:38: warning: incorrect type 
in argument 1 (different address spaces)
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3935:38:    expected void const 
*<noident>
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3935:38:    got void [noderef] 
<asn:1>*pointer
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3937:38: warning: incorrect type 
in argument 1 (different address spaces)
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3937:38:    expected void const 
*<noident>
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3937:38:    got void [noderef] 
<asn:1>*pointer
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3939:38: warning: incorrect type 
in argument 1 (different address spaces)
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3939:38:    expected void const 
*<noident>
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3939:38:    got void [noderef] 
<asn:1>*pointer
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3941:38: warning: incorrect type 
in argument 1 (different address spaces)
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3941:38:    expected void const 
*<noident>
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3941:38:    got void [noderef] 
<asn:1>*pointer
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3944:38: warning: incorrect type 
in argument 1 (different address spaces)
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3944:38:    expected void const 
*<noident>
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3944:38:    got void [noderef] 
<asn:1>*pointer
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3946:38: warning: incorrect type 
in argument 1 (different address spaces)
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3946:38:    expected void const 
*<noident>
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3946:38:    got void [noderef] 
<asn:1>*pointer
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3949:38: warning: incorrect type 
in argument 1 (different address spaces)
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3949:38:    expected void const 
*<noident>
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3949:38:    got void [noderef] 
<asn:1>*pointer
drivers/staging/rtl8188eu/os_dep/ioctl_linux.c:3963:9: warning: cast removes 
address space of expression

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
---
  drivers/staging/rtl8188eu/os_dep/ioctl_linux.c | 20 ++++++++++----------
  1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c 
b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
index ae54587..5dc3fed 100644
--- a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
@@ -3929,24 +3929,24 @@ static int rtw_p2p_get(struct net_device *dev,
  	struct adapter *padapter = (struct adapter *)rtw_netdev_priv(dev);
   	if (padapter->bShowGetP2PState)
-		DBG_88E("[%s] extra = %s\n", __func__, (char *)wrqu->data.pointer);
-	if (!memcmp(wrqu->data.pointer, "status", 6)) {
+		DBG_88E("[%s] extra = %s\n", __func__, (__force char *)wrqu->data.pointer);
+	if (!memcmp((__force const char *)wrqu->data.pointer, "status", 6)) {
  		rtw_p2p_get_status(dev, info, wrqu, extra);
-	} else if (!memcmp(wrqu->data.pointer, "role", 4)) {
+	} else if (!memcmp((__force const char *)wrqu->data.pointer, "role", 4)) {
  		rtw_p2p_get_role(dev, info, wrqu, extra);
-	} else if (!memcmp(wrqu->data.pointer, "peer_ifa", 8)) {
+	} else if (!memcmp((__force const char *)wrqu->data.pointer, "peer_ifa", 8)) {
  		rtw_p2p_get_peer_ifaddr(dev, info, wrqu, extra);
-	} else if (!memcmp(wrqu->data.pointer, "req_cm", 6)) {
+	} else if (!memcmp((__force const char *)wrqu->data.pointer, "req_cm", 6)) {
  		rtw_p2p_get_req_cm(dev, info, wrqu, extra);
-	} else if (!memcmp(wrqu->data.pointer, "peer_deva", 9)) {
+	} else if (!memcmp((__force const char *)wrqu->data.pointer, "peer_deva", 9)) {
  		/*	Get the P2P device address when receiving the provision discovery request 
frame. */
  		rtw_p2p_get_peer_devaddr(dev, info, wrqu, extra);
-	} else if (!memcmp(wrqu->data.pointer, "group_id", 8)) {
+	} else if (!memcmp((__force const char *)wrqu->data.pointer, "group_id", 8)) {
  		rtw_p2p_get_groupid(dev, info, wrqu, extra);
-	} else if (!memcmp(wrqu->data.pointer, "peer_deva_inv", 9)) {
+	} else if (!memcmp((__force const char *)wrqu->data.pointer, "peer_deva_inv", 
9)) {
  		/*	Get the P2P device address when receiving the P2P Invitation request 
frame. */
  		rtw_p2p_get_peer_devaddr_by_invitation(dev, info, wrqu, extra);
-	} else if (!memcmp(wrqu->data.pointer, "op_ch", 5)) {
+	} else if (!memcmp((__force const char *)wrqu->data.pointer, "op_ch", 5)) {
  		rtw_p2p_get_op_ch(dev, info, wrqu, extra);
  	}
  #endif /* CONFIG_88EU_P2P */
@@ -3960,7 +3960,7 @@ static int rtw_p2p_get2(struct net_device *dev,
  	int ret = 0;
   #ifdef CONFIG_88EU_P2P
-	DBG_88E("[%s] extra = %s\n", __func__, (char *)wrqu->data.pointer);
+	DBG_88E("[%s] extra = %s\n", __func__, (__force char *)wrqu->data.pointer);
  	if (!memcmp(extra, "wpsCM =", 6)) {
  		wrqu->data.length -= 6;
  		rtw_p2p_get_wps_configmethod(dev, info, wrqu,  &extra[6]);
-- 
1.8.4

  parent reply	other threads:[~2013-10-18 21:34 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1382129563-8496-1-git-send-email-Larry.Finger@lwfinger.net>
2013-10-18 21:32 ` [PATCH 1/9 RESENT] staging: r8188eu: Set device type to wlan Larry Finger
2013-10-18 21:58   ` Sergei Shtylyov
2013-10-18 21:33 ` [PATCH 2/9 RESENT] staging: r8188eu: Fix Sparse warnings in rtw_wlan_util Larry Finger
2013-10-18 22:05   ` Ben Hutchings
2013-10-18 21:34 ` Larry Finger [this message]
2013-10-18 22:08   ` [PATCH 3/9 RESENT] staging: r8188eu: Fix sparse warnings in ioctl_linux.c Ben Hutchings
2013-10-19  1:45     ` Larry Finger
2013-10-18 21:35 ` [PATCH 4/9 RESENT] staging: r8188eu: Fix sparse warnings in rtw_ieee80211.c Larry Finger
2013-10-18 21:35 ` [PATCH 5/9 RESENT] staging: r8188eu: Fix sparse warnings in rtl8188e.cmd.c Larry Finger
2013-10-18 21:36 ` [PATCH 6/9 RESENT] staging: r8188eu: Fix sparse warnings in rtw_mlme_ext.c Larry Finger
2013-10-18 21:37 ` [PATCH 7/9 RESENT] staging: r8188eu: Fix sparse warnings in rtl_p2p.c Larry Finger
2013-10-18 21:37 ` [PATCH 8/9 RESENT] staging: r8188eu: Fix sparse warnings in rtw_xmit.c Larry Finger
2013-10-18 21:38 ` [PATCH 9/9 RESENT] staging: r8188eu: Fix sparse warnings in rtw_br_ext.c Larry Finger

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