Since 'sprintf()' returns the number of characters emitted, an extra call to 'strlen()' in 'cfg80211_michael_mic_failure()' may be dropped. Signed-off-by: Dmitry Antipov <dmantipov@xxxxxxxxx> --- net/wireless/mlme.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index 775cac4d6100..c6adaf835abd 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -239,12 +239,11 @@ void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr, char *buf = kmalloc(128, gfp); if (buf) { - sprintf(buf, "MLME-MICHAELMICFAILURE.indication(" - "keyid=%d %scast addr=%pM)", key_id, + memset(&wrqu, 0, sizeof(wrqu)); + wrqu.data.length = sprintf(buf, "MLME-MICHAELMICFAILURE." + "indication(keyid=%d %scast addr=%pM)", key_id, key_type == NL80211_KEYTYPE_GROUP ? "broad" : "uni", addr); - memset(&wrqu, 0, sizeof(wrqu)); - wrqu.data.length = strlen(buf); wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf); kfree(buf); } -- 2.41.0