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wifi: iwlwifi: mld: check for NULL before referencing a pointer

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Errors can happen, and it is better not to risk with a NULL pointer
dereference.
Make sure that the links-to-remove pointers are not NULL before
dereferencing it.

Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Link: https://patch.msgid.link/20250430151952.408652d45cda.I1bb72836dab17895a2e39910e4493d667db0fa80@changeid
This commit is contained in:
Miri Korenblit
2025-04-30 15:23:16 +03:00
parent 37808a3788
commit f9151f16e1
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/intel/iwlwifi/mld/mac80211.c
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@@ -2450,7 +2450,7 @@ iwl_mld_change_vif_links(struct ieee80211_hw *hw,
added |= BIT(0);
for (int i = 0; i < IEEE80211_MLD_MAX_NUM_LINKS; i++) {
if (removed & BIT(i))
if (removed & BIT(i) && !WARN_ON(!old[i]))
iwl_mld_remove_link(mld, old[i]);
}