From: Arend van Spriel <arend@xxxxxxxxxxxx>
Several sparse warning were issued due to missing __user qualifier
for brcmfmac variables. This patch adds those.
Reported-by: Aaro Koskinen <aaro.koskinen@xxxxxx>
Reviewed-by: Franky (Zhenhui) Lin <frankyl@xxxxxxxxxxxx>
Reviewed-by: Roland Vossen <rvossen@xxxxxxxxxxxx>
Signed-off-by: Roland Vossen <rvossen@xxxxxxxxxxxx>
---
drivers/staging/brcm80211/brcmfmac/dhd.h | 2 +-
drivers/staging/brcm80211/brcmfmac/dhd_linux.c | 4 ++--
drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/staging/brcm80211/brcmfmac/dhd.h b/drivers/staging/brcm80211/brcmfmac/dhd.h
index ee09c17..4d06d87 100644
--- 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
--- 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
--- 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());
--
1.7.4.1
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