diff options
| author | Miaoqian Lin <linmq006@gmail.com> | 2025-09-02 12:09:49 +0800 |
|---|---|---|
| committer | Miri Korenblit <miriam.rachel.korenblit@intel.com> | 2025-09-07 09:41:35 +0300 |
| commit | ff46e2e7034c78489fa7a6bc35f7c9dd8ab82905 (patch) | |
| tree | 55f0f3d132322bd18e1c983d06765e475e9aeb79 | |
| parent | 0d2ab5f922e75d10162e7199826e14df9cfae5cc (diff) | |
wifi: iwlwifi: Fix dentry reference leak in iwl_mld_add_link_debugfs
The debugfs_lookup() function increases the dentry reference count.
Add missing dput() call to release the reference when the "iwlmld"
directory already exists.
Fixes: d1e879ec600f ("wifi: iwlwifi: add iwlmld sub-driver")
Cc: stable@vger.kernel.org
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://patch.msgid.link/20250902040955.2362472-1-linmq006@gmail.com
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mld/debugfs.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mld/debugfs.c index cc052b0aa53f..372204bf8452 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/debugfs.c @@ -1001,8 +1001,12 @@ void iwl_mld_add_link_debugfs(struct ieee80211_hw *hw, * If not, this is a per-link dir of a MLO vif, add in it the iwlmld * dir. */ - if (!mld_link_dir) + if (!mld_link_dir) { mld_link_dir = debugfs_create_dir("iwlmld", dir); + } else { + /* Release the reference from debugfs_lookup */ + dput(mld_link_dir); + } } static ssize_t _iwl_dbgfs_fixed_rate_write(struct iwl_mld *mld, char *buf, |