iwlegacy: Add a lock assertion in il4965_send_rxon_assoc()

The variables il->staging.filter_flags, rxon1->filter_flags and rxon2->filter_flags need to be protected by the mutex lock il->mutex. This patch adds a lock assertion of il->mutex to check whether this lock is held. Signed-off-by: Jia-Ju Bai <[email protected]> Acked-by: Stanislaw Gruszka <[email protected]> Signed-off-by: Kalle Valo <[email protected]>
frank-w · Oct 13, 2018 · 52a3126 · 52a3126
1 parent 2258ee5
commit 52a3126
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/drivers/net/wireless/intel/iwlegacy/4965.c b/drivers/net/wireless/intel/iwlegacy/4965.c
@@ -1297,6 +1297,8 @@ il4965_send_rxon_assoc(struct il_priv *il)
 	const struct il_rxon_cmd *rxon1 = &il->staging;
 	const struct il_rxon_cmd *rxon2 = &il->active;
 
+	lockdep_assert_held(&il->mutex);
+
 	if (rxon1->flags == rxon2->flags &&
 	    rxon1->filter_flags == rxon2->filter_flags &&
 	    rxon1->cck_basic_rates == rxon2->cck_basic_rates &&