iwlwifi: mvm: fix possible memory leak

iwl_parse_nvm_data() doesn't free allocated memory if it is
fed with invalid parameter. Fix this.

Signed-off-by: Eytan Lifshitz <eytan.lifshitz@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>

diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
index df3ea60c87d9a127af2bae7bcbbd1113aed636ad..80c40967cd35602d35383ed34c25f57c04330272 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
@@ -516,6 +516,7 @@ iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg,
                if (!nvm_calib) {
                        IWL_ERR_DEV(dev,
                                    "Can't parse empty Calib NVM sections\n");
+                       kfree(data);
                        return NULL;
                }
                /* in family 8000 Xtal calibration values moved to OTP */