Commits
Tom Hughes committed 4479004e640
mac80211: clear subdir_stations when removing debugfs If we don't do this, and we then fail to recreate the debugfs directory during a mode change, then we will fail later trying to add stations to this now bogus directory: BUG: unable to handle kernel NULL pointer dereference at 0000006c IP: [<c0a92202>] mutex_lock+0x12/0x30 Call Trace: [<c0678ab4>] start_creating+0x44/0xc0 [<c0679203>] debugfs_create_dir+0x13/0xf0 [<f8a938ae>] ieee80211_sta_debugfs_add+0x6e/0x490 [mac80211] Cc: stable@kernel.org Signed-off-by: Tom Hughes <tom@compton.nu> Signed-off-by: Johannes Berg <johannes.berg@intel.com>