From 254f1c2521716cafc63530750ce313059f5d5979 Mon Sep 17 00:00:00 2001 From: Bixuan Cui Date: Wed, 27 Oct 2021 14:58:40 +0800 Subject: [PATCH] iwlwifi: mvm: rfi: use kmemdup() to replace kzalloc + memcpy [ Upstream commit 08186e2501eec554cde8bae53b1d1de4d54abdf4 ] Fix memdup.cocci warning: ./drivers/net/wireless/intel/iwlwifi/mvm/rfi.c:110:8-15: WARNING opportunity for kmemdup Signed-off-by: Bixuan Cui Link: https://lore.kernel.org/r/1635317920-84725-1-git-send-email-cuibixuan@linux.alibaba.com Signed-off-by: Luca Coelho Stable-dep-of: 06a093807eb7 ("wifi: iwlwifi: mvm: rfi: fix potential response leaks") Signed-off-by: Sasha Levin --- drivers/net/wireless/intel/iwlwifi/mvm/rfi.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c b/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c index 44344216a1a9..1954b4cdb90b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c @@ -107,12 +107,10 @@ struct iwl_rfi_freq_table_resp_cmd *iwl_rfi_get_freq_table(struct iwl_mvm *mvm) if (WARN_ON_ONCE(iwl_rx_packet_payload_len(cmd.resp_pkt) != resp_size)) return ERR_PTR(-EIO); - resp = kzalloc(resp_size, GFP_KERNEL); + resp = kmemdup(cmd.resp_pkt->data, resp_size, GFP_KERNEL); if (!resp) return ERR_PTR(-ENOMEM); - memcpy(resp, cmd.resp_pkt->data, resp_size); - iwl_free_resp(&cmd); return resp; }