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authorDavid Spinadel <david.spinadel@intel.com>2013-07-31 18:04:15 +0300
committerJohannes Berg <johannes.berg@intel.com>2013-08-12 14:11:37 +0200
commitfc73f11f5fa230f8c687d51b0fddb00433092ce0 (patch)
treef1c2e5c855a97dd4039b3df2a0b8cde96744898f /net/wireless/nl80211.c
parentaf61a165187bb94b1dc7628ef815c23d0eacf40b (diff)
cfg80211: add wdev to testmode cmd
To allow drivers to implement per-interface testmode operations more easily, pass a wdev pointer if any identification for one was given from userspace. Clean up the code a bit while at it. Signed-off-by: David Spinadel <david.spinadel@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/wireless/nl80211.c')
-rw-r--r--net/wireless/nl80211.c23
1 files changed, 17 insertions, 6 deletions
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index c2a40a2e56bd..334697de5cc0 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -6591,19 +6591,30 @@ static struct genl_multicast_group nl80211_testmode_mcgrp = {
static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
+ struct wireless_dev *wdev =
+ __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs);
int err;
+ if (!rdev->ops->testmode_cmd)
+ return -EOPNOTSUPP;
+
+ if (IS_ERR(wdev)) {
+ err = PTR_ERR(wdev);
+ if (err != -EINVAL)
+ return err;
+ wdev = NULL;
+ } else if (wdev->wiphy != &rdev->wiphy) {
+ return -EINVAL;
+ }
+
if (!info->attrs[NL80211_ATTR_TESTDATA])
return -EINVAL;
- err = -EOPNOTSUPP;
- if (rdev->ops->testmode_cmd) {
- rdev->testmode_info = info;
- err = rdev_testmode_cmd(rdev,
+ rdev->testmode_info = info;
+ err = rdev_testmode_cmd(rdev, wdev,
nla_data(info->attrs[NL80211_ATTR_TESTDATA]),
nla_len(info->attrs[NL80211_ATTR_TESTDATA]));
- rdev->testmode_info = NULL;
- }
+ rdev->testmode_info = NULL;
return err;
}