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iwlwifi: pcie: free context info in case of failures 

If iwl_pcie_ctxt_info_init_fw_sec() fails, the previous allocated DMA
memory needs to be freed (it even goes out of scope immediately.)
Do that to prevent the leak.

Fixes: eda50cde58 ("iwlwifi: pcie: add context information support")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Johannes Berg 2017-04-19 10:30:47 +02:00 committed by Luca Coelho
parent 97b00d877b
commit 718ceb22a0
1 changed files with 4 additions and 1 deletions
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5
drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info.c
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@ -241,8 +241,11 @@ int iwl_pcie_ctxt_info_init(struct iwl_trans *trans,
/* allocate ucode sections in dram and set addresses */
ret = iwl_pcie_ctxt_info_init_fw_sec(trans, fw, ctxt_info);
if (ret)
if (ret) {
dma_free_coherent(trans->dev, sizeof(*trans_pcie->ctxt_info),
ctxt_info, trans_pcie->ctxt_info_dma_addr);
return ret;
}
trans_pcie->ctxt_info = ctxt_info;