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| author | Johannes Berg <johannes.berg@intel.com> | 2024-03-19 10:10:17 +0200 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2024-03-25 15:23:07 +0100 |
| commit | 06a093807eb7b5c5b29b6cff49f8174a4e702341 (patch) | |
| tree | 8c16104a00b66bf29379f98eb14ef333ee9bd98b /drivers | |
| parent | 134d715e9ee2611edfb51774608ad465266bb3ef (diff) | |
| download | lwn-06a093807eb7b5c5b29b6cff49f8174a4e702341.tar.gz lwn-06a093807eb7b5c5b29b6cff49f8174a4e702341.zip | |
wifi: iwlwifi: mvm: rfi: fix potential response leaks
If the rx payload length check fails, or if kmemdup() fails,
we still need to free the command response. Fix that.
Fixes: 21254908cbe9 ("iwlwifi: mvm: add RFI-M support")
Co-authored-by: Anjaneyulu <pagadala.yesu.anjaneyulu@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240319100755.db2fa0196aa7.I116293b132502ac68a65527330fa37799694b79c@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rfi.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c b/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c index 2ecd32bed752..045c862a8fc4 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c @@ -132,14 +132,18 @@ struct iwl_rfi_freq_table_resp_cmd *iwl_rfi_get_freq_table(struct iwl_mvm *mvm) if (ret) return ERR_PTR(ret); - if (WARN_ON_ONCE(iwl_rx_packet_payload_len(cmd.resp_pkt) != resp_size)) + if (WARN_ON_ONCE(iwl_rx_packet_payload_len(cmd.resp_pkt) != + resp_size)) { + iwl_free_resp(&cmd); return ERR_PTR(-EIO); + } resp = kmemdup(cmd.resp_pkt->data, resp_size, GFP_KERNEL); + iwl_free_resp(&cmd); + if (!resp) return ERR_PTR(-ENOMEM); - iwl_free_resp(&cmd); return resp; } |