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
--- drivers/net/wireless/mwifiex/sta_ioctl.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c +++ b/drivers/net/wireless/mwifiex/sta_ioctl.c @@ -232,6 +232,7 @@ static int mwifiex_process_country_ie(st
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;