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iwlwifi: mvm: fix NVM parsing error path

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If NVM parsing fails and returns NULL, we continue in
the code flow and eventually crash accessing the NULL
pointer. Return an error from iwl_nvm_init() if the
parsing failed.

Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2013-05-13 21:44:42 +02:00
parent bf0fd5da8a
commit 82598b4f43
1 changed files with 3 additions and 2 deletions
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5
drivers/net/wireless/iwlwifi/mvm/nvm.c
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@ -231,8 +231,9 @@ int iwl_nvm_init(struct iwl_mvm *mvm)
if (ret < 0)
return ret;
ret = 0;
mvm->nvm_data = iwl_parse_nvm_sections(mvm);
if (!mvm->nvm_data)
return -ENODATA;
return ret;
return 0;
}