diff options
| author | Alexander Bondar <alexander.bondar@intel.com> | 2013-06-23 20:31:07 +0300 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-07-16 13:55:05 +0300 |
| commit | 0ecb376375d662987eba2f6e3bfd4bd532bb3907 (patch) | |
| tree | 74e3802b5a1b12f6815e7df29081b40877f6f567 /drivers/net/wireless/iwlwifi/mvm/debugfs.c | |
| parent | 707aee401d2467baa785a697f40a6e2d9ee79ad5 (diff) | |
iwlwifi: mvm: Fix VIF specific debugfs directory creation
Avoid creating VIF specific debugfs directory if already exist.
This may happen when, for example, resetting hw, suspend-resume.
Signed-off-by: Alexander Bondar <alexander.bondar@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/debugfs.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/debugfs.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c index e56ed2a84888..c24a744910ac 100644 --- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c @@ -988,7 +988,11 @@ void iwl_mvm_vif_dbgfs_register(struct iwl_mvm *mvm, struct ieee80211_vif *vif) struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); char buf[100]; - if (!dbgfs_dir) + /* + * Check if debugfs directory already exist before creating it. + * This may happen when, for example, resetting hw or suspend-resume + */ + if (!dbgfs_dir || mvmvif->dbgfs_dir) return; mvmvif->dbgfs_dir = debugfs_create_dir("iwlmvm", dbgfs_dir); |