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[16/16] iwlwifi: nvm: free old section data when reading nvm file

Message ID 1445774476-24792-16-git-send-email-emmanuel.grumbach@intel.com (mailing list archive)
State Accepted
Delegated to: Kalle Valo
Headers show

Commit Message

Emmanuel Grumbach Oct. 25, 2015, 12:01 p.m. UTC 
From: Moshe Harel <moshe.harel@intel.com>

When reading external NVM file, if a section exists both in OTP
and in the external file, the memory that was allocated at OTP
reading is not freed.
This is possible only on systems that have an external NVM
file which is typically the case on embedded systems.

Signed-off-by: Moshe Harel <moshe.harel@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/iwlwifi/mvm/nvm.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox

Patch

diff --git a/drivers/net/wireless/iwlwifi/mvm/nvm.c b/drivers/net/wireless/iwlwifi/mvm/nvm.c
index 4e4a680..2ee0f6f 100644
--- a/drivers/net/wireless/iwlwifi/mvm/nvm.c
+++ b/drivers/net/wireless/iwlwifi/mvm/nvm.c
@@ -483,6 +483,7 @@  static int iwl_mvm_read_external_nvm(struct iwl_mvm *mvm)
 			ret = -ENOMEM;
 			break;
 		}
+		kfree(mvm->nvm_sections[section_id].data);
 		mvm->nvm_sections[section_id].data = temp;
 		mvm->nvm_sections[section_id].length = section_size;