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path: root/drivers/net/wireless/quantenna/qtnfmac/commands.c
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Diffstat (limited to 'drivers/net/wireless/quantenna/qtnfmac/commands.c')
-rw-r--r--drivers/net/wireless/quantenna/qtnfmac/commands.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/wireless/quantenna/qtnfmac/commands.c b/drivers/net/wireless/quantenna/qtnfmac/commands.c
index b1b73478d89b..68ae9c7ea95a 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/commands.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/commands.c
@@ -1325,9 +1325,10 @@ static int qtnf_cmd_band_fill_iftype(const u8 *data,
struct ieee80211_sband_iftype_data *iftype_data;
const struct qlink_tlv_iftype_data *tlv =
(const struct qlink_tlv_iftype_data *)data;
- size_t payload_len = tlv->n_iftype_data * sizeof(*tlv->iftype_data) +
- sizeof(*tlv) -
- sizeof(struct qlink_tlv_hdr);
+ size_t payload_len;
+
+ payload_len = struct_size(tlv, iftype_data, tlv->n_iftype_data);
+ payload_len = size_sub(payload_len, sizeof(struct qlink_tlv_hdr));
if (tlv->hdr.len != cpu_to_le16(payload_len)) {
pr_err("bad IFTYPE_DATA TLV len %u\n", tlv->hdr.len);