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Re: [PATCH] wifi: iwlwifi: mvm: Fix __counted_by usage in cfg80211_wowlan_nd_*

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Le 20/06/2024 à 20:08, Gustavo A. R. Silva a écrit :


On 6/20/24 12:02, Gustavo A. R. Silva wrote:

My understanding is that 'match', is allocated by :
     match = kzalloc(struct_size(match, channels, n_channels), GFP_KERNEL);

So match->n_channels is *0* when iwl_mvm_query_set_freqs() is called.

n_channels is updated in the line before calling kzalloc():

n_channels = iwl_mvm_query_num_match_chans(mvm, d3_data->nd_results, i);

match = kzalloc(struct_size(match, channels, n_channels), GFP_KERNEL);

then match->n_channels updated here:

          if (!match)
              goto out_report_nd;
+        match->n_channels = n_channels;

Thanks for the explanation.
This is what I was looking for, and I missed this line.

Sorry for the noise.

CJ


Sorry about the split response, finger failure ugghh

--
Gustavo







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