summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless
diff options
context:
space:
mode:
authorAlexander Bondar <alexander.bondar@intel.com>2013-06-23 20:31:07 +0300
committerJohannes Berg <johannes.berg@intel.com>2013-07-16 13:55:05 +0300
commit0ecb376375d662987eba2f6e3bfd4bd532bb3907 (patch)
tree74e3802b5a1b12f6815e7df29081b40877f6f567 /drivers/net/wireless
parent707aee401d2467baa785a697f40a6e2d9ee79ad5 (diff)
downloadop-kernel-dev-0ecb376375d662987eba2f6e3bfd4bd532bb3907.zip
op-kernel-dev-0ecb376375d662987eba2f6e3bfd4bd532bb3907.tar.gz
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')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/debugfs.c6
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 e56ed2a..c24a744 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);
OpenPOWER on IntegriCloud