The type of "mwifiex_adapter->nd_info" is "struct cfg80211_wowlan_nd_info",
not "struct cfg80211_wowlan_nd_match".
Use struct_size() to ease the computation of the needed size.
The current code over-allocates some memory, so is safe.
But it wastes 32 bytes.
Fixes: 7d7f07d8c5d3 ("mwifiex: add wowlan net-detect support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
drivers/net/wireless/marvell/mwifiex/scan.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c
index ac8001c84293..dd73ade4ddf1 100644
--- a/drivers/net/wireless/marvell/mwifiex/scan.c
+++ b/drivers/net/wireless/marvell/mwifiex/scan.c
@@ -2187,9 +2187,9 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv,
if (nd_config) {
adapter->nd_info =
- kzalloc(sizeof(struct cfg80211_wowlan_nd_match) +
- sizeof(struct cfg80211_wowlan_nd_match *) *
- scan_rsp->number_of_sets, GFP_ATOMIC);
+ kzalloc(struct_size(adapter->nd_info, matches,
+ scan_rsp->number_of_sets),
+ GFP_ATOMIC);
if (adapter->nd_info)
adapter->nd_info->n_matches = scan_rsp->number_of_sets;
--
2.34.1
