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iwlegacy: Add a lock assertion in il4965_send_rxon_assoc()

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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 <baijiaju1990@gmail.com>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Jia-Ju Bai 2018-10-05 21:55:46 +08:00 committed by Kalle Valo
parent 2258ee58ba
commit 52a312673a
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/intel/iwlegacy/4965.c
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@ -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 &&