staging: brcm80211: use address space qualifier in brcmfmac

Several sparse warning were issued due to missing __user qualifier
for brcmfmac variables. This patch adds those.

Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com>
Reviewed-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/brcm80211/brcmfmac/dhd.h b/drivers/staging/brcm80211/brcmfmac/dhd.h
index ee09c17..4d06d87 100644 (file)
--- a/drivers/staging/brcm80211/brcmfmac/dhd.h
+++ b/drivers/staging/brcm80211/brcmfmac/dhd.h
@@ -779,7 +779,7 @@ extern void brcmf_c_pktfilter_offload_enable(struct brcmf_pub *drvr, char *arg,
 /* Linux network driver ioctl encoding */
 struct brcmf_c_ioctl {
        uint cmd;               /* common ioctl definition */
-       void *buf;              /* pointer to user buffer */
+       void __user *buf;       /* pointer to user buffer */
        uint len;               /* length of user buffer */
        bool set;               /* get or set request (optional) */
        uint used;              /* bytes read or written (optional) */

diff --git a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c b/drivers/staging/brcm80211/brcmfmac/dhd_linux.c
index 470759a..bb0f718 100644 (file)
--- a/drivers/staging/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/staging/brcm80211/brcmfmac/dhd_linux.c
@@ -835,7 +835,7 @@ static struct ethtool_ops brcmf_ethtool_ops = {
        .get_drvinfo = brcmf_ethtool_get_drvinfo
 };
 
-static int brcmf_ethtool(struct brcmf_info *drvr_priv, void *uaddr)
+static int brcmf_ethtool(struct brcmf_info *drvr_priv, void __user *uaddr)
 {
        struct ethtool_drvinfo info;
        char drvname[sizeof(info.driver)];
@@ -1001,7 +1001,7 @@ static int brcmf_netdev_ioctl_entry(struct net_device *net, struct ifreq *ifr,
        }
 
        /* To differentiate read 4 more byes */
-       if ((copy_from_user(&driver, (char *)ifr->ifr_data +
+       if ((copy_from_user(&driver, (char __user *)ifr->ifr_data +
                            sizeof(struct brcmf_ioctl), sizeof(uint)) != 0)) {
                bcmerror = -EINVAL;
                goto done;

diff --git a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c
index 60a04b3..db51c46 100644 (file)
--- a/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c
+++ b/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c
@@ -540,7 +540,7 @@ brcmf_dev_ioctl(struct net_device *dev, u32 cmd, void *arg, u32 len)
        ioc.buf = arg;
        ioc.len = len;
        strcpy(ifr.ifr_name, dev->name);
-       ifr.ifr_data = (caddr_t)&ioc;
+       ifr.ifr_data = (char __user *)&ioc;
 
        fs = get_fs();
        set_fs(get_ds());