diff options
| author | Johannes Berg <johannes@sipsolutions.net> | 2008-10-08 10:23:48 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-10-15 02:48:25 +0200 |
| commit | 33c0360bf74d5fded34cb08d3512ada32ad661e4 (patch) | |
| tree | c98eeeede4a08d4331c4cb1bac044c249ac6bcc5 /net/wireless | |
| parent | mac80211: fix debugfs netdev rename (diff) | |
| download | linux-33c0360bf74d5fded34cb08d3512ada32ad661e4.tar.xz linux-33c0360bf74d5fded34cb08d3512ada32ad661e4.zip | |
cfg80211: fix debugfs error handling
If something goes wrong creating the debugfs dir or when
debugfs is not compiled in, the current code might lead to
trouble; make it more robust.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/wireless')
| -rw-r--r-- | net/wireless/core.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/wireless/core.c b/net/wireless/core.c index 24fdd4cd22cb..5031db7b275b 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -184,7 +184,8 @@ int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, if (result) goto out_unlock; - if (!debugfs_rename(rdev->wiphy.debugfsdir->d_parent, + if (rdev->wiphy.debugfsdir && + !debugfs_rename(rdev->wiphy.debugfsdir->d_parent, rdev->wiphy.debugfsdir, rdev->wiphy.debugfsdir->d_parent, newname)) @@ -317,6 +318,8 @@ int wiphy_register(struct wiphy *wiphy) drv->wiphy.debugfsdir = debugfs_create_dir(wiphy_name(&drv->wiphy), ieee80211_debugfs_dir); + if (IS_ERR(drv->wiphy.debugfsdir)) + drv->wiphy.debugfsdir = NULL; res = 0; out_unlock: |