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yaml
---
r: 268421
b: refs/heads/master
c: 9af07ef
h: refs/heads/master
i:
  268419: 7e200fb
v: v3
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Roland Vossen authored and Greg Kroah-Hartman committed Sep 16, 2011
1 parent 7923308 commit 4aadc73
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Showing 4 changed files with 14 additions and 76 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 9dd8eff3da331b795ab6879a6b3a8b88d5adf658
refs/heads/master: 9af07ef1febb8538d35d7613ae621e4ea5fa9631
14 changes: 2 additions & 12 deletions trunk/drivers/staging/brcm80211/brcmfmac/dhd.h
Original file line number Diff line number Diff line change
Expand Up @@ -715,7 +715,8 @@ extern struct brcmf_pub *brcmf_attach(struct brcmf_bus *bus,
extern int brcmf_net_attach(struct brcmf_pub *drvr, int idx);
extern int brcmf_netdev_wait_pend8021x(struct net_device *dev);

extern int brcmf_netdev_ioctl_priv(struct net_device *net, struct ifreq *ifr);
extern int brcmf_netdev_ioctl_priv(struct net_device *net,
struct brcmf_ioctl *ioc);

/* Indication from bus module regarding removal/absence of dongle */
extern void brcmf_detach(struct brcmf_pub *drvr);
Expand Down Expand Up @@ -771,17 +772,6 @@ extern void brcmf_c_pktfilter_offload_set(struct brcmf_pub *drvr, char *arg);
extern void brcmf_c_pktfilter_offload_enable(struct brcmf_pub *drvr, char *arg,
int enable, int master_mode);

/* Linux network driver ioctl encoding */
struct brcmf_c_ioctl {
uint cmd; /* common ioctl definition */
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) */
uint needed; /* bytes needed (optional) */
uint driver; /* to identify target driver */
};

/* per-driver magic numbers */
#define BRCMF_IOCTL_MAGIC 0x00444944

Expand Down
69 changes: 10 additions & 59 deletions trunk/drivers/staging/brcm80211/brcmfmac/dhd_linux.c
Original file line number Diff line number Diff line change
Expand Up @@ -964,61 +964,19 @@ static int brcmf_netdev_ioctl_entry(struct net_device *net, struct ifreq *ifr,
return -EOPNOTSUPP;
}

/* called only from within this driver, handles cmd == SIOCDEVPRIVATE */
int brcmf_netdev_ioctl_priv(struct net_device *net, struct ifreq *ifr)
/* called only from within this driver */
int brcmf_netdev_ioctl_priv(struct net_device *net, struct brcmf_ioctl *ioc)
{
struct brcmf_c_ioctl ioc;
int bcmerror = 0;
int buflen = 0;
void *buf = NULL;
uint driver = 0;
bool is_set_key_cmd;
struct brcmf_info *drvr_priv = *(struct brcmf_info **) netdev_priv(net);
int ifidx;

ifidx = brcmf_net2idx(drvr_priv, net);

memset(&ioc, 0, sizeof(ioc));

/* Copy the ioc control structure part of ioctl request */
if (copy_from_user(&ioc, ifr->ifr_data, sizeof(struct brcmf_ioctl))) {
bcmerror = -EINVAL;
goto done;
}

/* Copy out any buffer passed */
if (ioc.buf) {
buflen = min_t(int, ioc.len, BRCMF_IOCTL_MAXLEN);
/* optimization for direct ioctl calls from kernel */
/*
if (segment_eq(get_fs(), KERNEL_DS)) {
buf = ioc.buf;
} else {
*/
{
buf = kmalloc(buflen, GFP_ATOMIC);
if (!buf) {
bcmerror = -ENOMEM;
goto done;
}
if (copy_from_user(buf, ioc.buf, buflen)) {
bcmerror = -EINVAL;
goto done;
}
}
}

/* To differentiate read 4 more byes */
if ((copy_from_user(&driver, (char __user *)ifr->ifr_data +
sizeof(struct brcmf_ioctl), sizeof(uint)) != 0)) {
bcmerror = -EINVAL;
goto done;
}

if (!capable(CAP_NET_ADMIN)) {
bcmerror = -EPERM;
goto done;
}
if (ioc->buf != NULL)
buflen = min_t(uint, ioc->len, BRCMF_IOCTL_MAXLEN);

/* send to dongle (must be up, and wl) */
if ((drvr_priv->pub.busstate != BRCMF_BUS_DATA)) {
Expand All @@ -1036,25 +994,18 @@ int brcmf_netdev_ioctl_priv(struct net_device *net, struct ifreq *ifr)
* Intercept BRCMF_C_SET_KEY IOCTL - serialize M4 send and
* set key IOCTL to prevent M4 encryption.
*/
is_set_key_cmd = ((ioc.cmd == BRCMF_C_SET_KEY) ||
((ioc.cmd == BRCMF_C_SET_VAR) &&
!(strncmp("wsec_key", ioc.buf, 9))) ||
((ioc.cmd == BRCMF_C_SET_VAR) &&
!(strncmp("bsscfg:wsec_key", ioc.buf, 15))));
is_set_key_cmd = ((ioc->cmd == BRCMF_C_SET_KEY) ||
((ioc->cmd == BRCMF_C_SET_VAR) &&
!(strncmp("wsec_key", ioc->buf, 9))) ||
((ioc->cmd == BRCMF_C_SET_VAR) &&
!(strncmp("bsscfg:wsec_key", ioc->buf, 15))));
if (is_set_key_cmd)
brcmf_netdev_wait_pend8021x(net);

bcmerror = brcmf_proto_ioctl(&drvr_priv->pub, ifidx,
(struct brcmf_ioctl *)&ioc, buf, buflen);
ioc, ioc->buf, buflen);

done:
if (!bcmerror && buf && ioc.buf) {
if (copy_to_user(ioc.buf, buf, buflen))
bcmerror = -EFAULT;
}

kfree(buf);

if (bcmerror > 0)
bcmerror = 0;

Expand Down
5 changes: 1 addition & 4 deletions trunk/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c
Original file line number Diff line number Diff line change
Expand Up @@ -272,7 +272,6 @@ static void convert_key_to_CPU(struct brcmf_wsec_key *key)
static s32
brcmf_dev_ioctl(struct net_device *dev, u32 cmd, void *arg, u32 len)
{
struct ifreq ifr;
struct brcmf_ioctl ioc;
mm_segment_t fs;
s32 err = 0;
Expand All @@ -281,12 +280,10 @@ brcmf_dev_ioctl(struct net_device *dev, u32 cmd, void *arg, u32 len)
ioc.cmd = cmd;
ioc.buf = arg;
ioc.len = len;
strcpy(ifr.ifr_name, dev->name);
ifr.ifr_data = (char __user *)&ioc;

fs = get_fs();
set_fs(get_ds());
err = brcmf_netdev_ioctl_priv(dev, &ifr);
err = brcmf_netdev_ioctl_priv(dev, &ioc);
set_fs(fs);

return err;
Expand Down

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