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[2.102.14.153]) by smtp.gmail.com with ESMTPSA id b191sm5091594wmd.39.2020.04.10.17.20.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Apr 2020 17:20:16 -0700 (PDT) From: Jules Irenge To: linux-kernel@vger.kernel.org Cc: boqun.feng@gmail.com, Arend van Spriel , Franky Lin , Hante Meuleman , Chi-Hsien Lin , Wright Feng , Kalle Valo , "David S. Miller" , Johannes Berg , linux-wireless@vger.kernel.org (open list:BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER), brcm80211-dev-list.pdl@broadcom.com (open list:BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER), brcm80211-dev-list@cypress.com (open list:BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER), netdev@vger.kernel.org (open list:NETWORKING DRIVERS) Subject: [PATCH 5/9] mac80211: Add missing annotation for brcms_down() Date: Sat, 11 Apr 2020 01:19:29 +0100 Message-Id: <20200411001933.10072-6-jbi.octave@gmail.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200411001933.10072-1-jbi.octave@gmail.com> References: <0/9> <20200411001933.10072-1-jbi.octave@gmail.com> MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Sparse reports a warning at brcms_down() warning: context imbalance in brcms_down() - unexpected unlock The root cause is the missing annotation at brcms_down() Add the missing __must_hold(&wl->lock) annotation Signed-off-by: Jules Irenge --- drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c index c3dbeacea6ca..648efcbc819f 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmsmac/mac80211_if.c @@ -1431,6 +1431,7 @@ int brcms_up(struct brcms_info *wl) * precondition: perimeter lock has been acquired */ void brcms_down(struct brcms_info *wl) + __must_hold(&wl->lock) { uint callbacks, ret_val = 0;