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[2.44.101.4]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-42e969ffc56sm174792905e9.22.2024.10.01.02.13.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 01 Oct 2024 02:13:48 -0700 (PDT) From: Alessandro Zanni To: pkshih@realtek.com, kvalo@kernel.org Cc: Alessandro Zanni , linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, skhan@linuxfoundation.org, anupnewsmail@gmail.com Subject: [PATCH] wifi: rtw89: wow: Add unlock mutex before to return Date: Tue, 1 Oct 2024 11:13:16 +0200 Message-ID: <20241001091320.38687-1-alessandro.zanni87@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" In error handling code for "ieee80211_gtk_rekey_add failed", release the mutex before to return. Found with Coccinelle static analisys tool, script: https://coccinelle.gitlabpages.inria.fr/website/rules/mut.cocci Signed-off-by: Alessandro Zanni --- drivers/net/wireless/realtek/rtw89/wow.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/realtek/rtw89/wow.c b/drivers/net/wireles= s/realtek/rtw89/wow.c index 86e24e07780d..8045acb27cf9 100644 --- a/drivers/net/wireless/realtek/rtw89/wow.c +++ b/drivers/net/wireless/realtek/rtw89/wow.c @@ -624,6 +624,7 @@ static struct ieee80211_key_conf *rtw89_wow_gtk_rekey(s= truct rtw89_dev *rtwdev, kfree(rekey_conf); if (IS_ERR(key)) { rtw89_err(rtwdev, "ieee80211_gtk_rekey_add failed\n"); + mutex_unlock(&rtwdev->mutex); return NULL; } =20 --=20 2.43.0