From: Brian Norris <briannorris@chromium.org> commit 65b1aae0d9d5962faccc06bdb8e91a2a0b09451c upstream. We called rcu_read_lock(), so we need to call rcu_read_unlock() before we return. Fixes: 3d94a4a8373b ("mwifiex: fix possible heap overflow in mwifiex_process_country_ie()") Cc: stable@vger.kernel.org Cc: huangwen <huangwenabc@gmail.com> Cc: Ganapathi Bhat <ganapathi.bhat@nxp.com> Signed-off-by: Brian Norris <briannorris@chromium.org> Acked-by: Ganapathi Bhat <ganapathi.bhat@nxp.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- drivers/net/wireless/marvell/mwifiex/sta_ioctl.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c b/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c index 6dd835f..fbfa0b1 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_ioctl.c @@ -232,6 +232,7 @@ static int mwifiex_process_country_ie(struct mwifiex_private *priv, if (country_ie_len > (IEEE80211_COUNTRY_STRING_LEN + MWIFIEX_MAX_TRIPLET_802_11D)) { + rcu_read_unlock(); mwifiex_dbg(priv->adapter, ERROR, "11D: country_ie_len overflow!, deauth AP\n"); return -EINVAL; -- 1.8.3