[PATCH] net: wireless: iwlegacy: Add a lock assertion in il4965_send_rxon_assoc()
From: Jia-Ju Bai <hidden>
Date: 2018-10-05 13:56:00
Also in:
linux-wireless, lkml
Subsystem:
intel wireless 3945abg/bg, 4965agn (iwlegacy), the rest · Maintainers:
Stanislaw Gruszka, Linus Torvalds
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 <redacted> --- drivers/net/wireless/intel/iwlegacy/4965.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/net/wireless/intel/iwlegacy/4965.c b/drivers/net/wireless/intel/iwlegacy/4965.c
index c3c638ed0ed7..ce4144a89217 100644
--- 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 &&
--
2.17.0