diff options
| author | Johannes Berg <johannes@sipsolutions.net> | 2009-03-21 17:07:59 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-03-27 20:13:08 -0400 |
| commit | ac7f9cfa2c3b810e0adfb889ad407a8c79a84dbe (patch) | |
| tree | 599a601a2adc5e3806a4bb665491dd08fe2eb3ff /net/wireless/wext-compat.c | |
| parent | 86f04680df4a136a4a90501572dc2f31f8426581 (diff) | |
cfg80211: accept no-op interface mode changes
When somebody tries to set the interface mode to the existing
mode, don't ask the driver but silently accept the setting.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless/wext-compat.c')
| -rw-r--r-- | net/wireless/wext-compat.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index b84a9b4fe96..0fd1db6e95b 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -66,6 +66,7 @@ int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info, struct cfg80211_registered_device *rdev; struct vif_params vifparams; enum nl80211_iftype type; + int ret; if (!wdev) return -EOPNOTSUPP; @@ -96,10 +97,16 @@ int cfg80211_wext_siwmode(struct net_device *dev, struct iw_request_info *info, return -EINVAL; } + if (type == wdev->iftype) + return 0; + memset(&vifparams, 0, sizeof(vifparams)); - return rdev->ops->change_virtual_intf(wdev->wiphy, dev->ifindex, type, - NULL, &vifparams); + ret = rdev->ops->change_virtual_intf(wdev->wiphy, dev->ifindex, type, + NULL, &vifparams); + WARN_ON(!ret && wdev->iftype != type); + + return ret; } EXPORT_SYMBOL(cfg80211_wext_siwmode); |