6.18-stable review patch. If anyone has any objections, please let me know.
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From: Li Qiang liqiang01@kylinos.cn
[ Upstream commit 3df28496673bd8009f1cd3a85a63650c96e369f4 ]
Add a missing NULL pointer check after kzalloc() in iwl_mld_send_proto_offload(). Without this check, a failed allocation could lead to a NULL dereference.
Fixes: d1e879ec600f9 ("wifi: iwlwifi: add iwlmld sub-driver") Signed-off-by: Li Qiang liqiang01@kylinos.cn Link: https://patch.msgid.link/20251017041128.1379715-1-liqiang01@kylinos.cn Signed-off-by: Miri Korenblit miriam.rachel.korenblit@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/intel/iwlwifi/mld/d3.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/net/wireless/intel/iwlwifi/mld/d3.c b/drivers/net/wireless/intel/iwlwifi/mld/d3.c index 1d4282a21f09e..dd85be94433cc 100644 --- a/drivers/net/wireless/intel/iwlwifi/mld/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mld/d3.c @@ -1794,6 +1794,10 @@ iwl_mld_send_proto_offload(struct iwl_mld *mld, u32 enabled = 0;
cmd = kzalloc(hcmd.len[0], GFP_KERNEL); + if (!cmd) { + IWL_DEBUG_WOWLAN(mld, "Failed to allocate proto offload cmd\n"); + return -ENOMEM; + }
#if IS_ENABLED(CONFIG_IPV6) struct iwl_mld_vif *mld_vif = iwl_mld_vif_from_mac80211(vif);