From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 375842DF92 for ; Tue, 7 Nov 2023 12:08:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VZ0AKvsg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4C5E2C43395; Tue, 7 Nov 2023 12:08:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1699358919; bh=MtEg56Db1ITpZqsJ9sWS9PdSnPZ0PiHqxkymMm27JNQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VZ0AKvsg+BJq90/l+Xd7lpVOhJzfpuHUCQdWsZLd1y6T/3oJwWw9zOkQGDIFamsQ9 jbgqlvtRhakAHasaAjzcW8FJP3dOJ/dRcDFIIKrMQUS3NWLayzHx2Cvc+/4szPl015 bb4Y5DPO+Hh8sJNE1boM4bFAK1W8nv+PG+HiU60gP2vgyKMNQ+P+Wyl9jUPfcpC/lT SOYXIfvmYT5D4O4OOAxP07Y7A7HJeoy+7EDghdaNquxgZkgWS4HUbCTEVjwWJS6wS7 Z5MpQpLQqxm1th+kCCbcFZacFSLFgDP40dX/AqEArS/riYv+fH0vaB0/W9PucHALFS llGPV/s1dWZUQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Tzung-Bi Shih , Guenter Roeck , Sasha Levin , bleung@chromium.org, chrome-platform@lists.linux.dev Subject: [PATCH AUTOSEL 6.6 29/31] platform/chrome: kunit: initialize lock for fake ec_dev Date: Tue, 7 Nov 2023 07:06:16 -0500 Message-ID: <20231107120704.3756327-29-sashal@kernel.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231107120704.3756327-1-sashal@kernel.org> References: <20231107120704.3756327-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: chrome-platform@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.6 Content-Transfer-Encoding: 8bit From: Tzung-Bi Shih [ Upstream commit e410b4ade83d06a046f6e32b5085997502ba0559 ] cros_ec_cmd_xfer() uses ec_dev->lock. Initialize it. Otherwise, dmesg shows the following: > DEBUG_LOCKS_WARN_ON(lock->magic != lock) > ... > Call Trace: > ? __mutex_lock > ? __warn > ? __mutex_lock > ... > ? cros_ec_cmd_xfer Reviewed-by: Guenter Roeck Link: https://lore.kernel.org/r/20231003080504.4011337-1-tzungbi@kernel.org Signed-off-by: Tzung-Bi Shih Signed-off-by: Sasha Levin --- drivers/platform/chrome/cros_ec_proto_test.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/platform/chrome/cros_ec_proto_test.c b/drivers/platform/chrome/cros_ec_proto_test.c index 5b9748e0463bc..63e38671e95a6 100644 --- a/drivers/platform/chrome/cros_ec_proto_test.c +++ b/drivers/platform/chrome/cros_ec_proto_test.c @@ -2668,6 +2668,7 @@ static int cros_ec_proto_test_init(struct kunit *test) ec_dev->dev->release = cros_ec_proto_test_release; ec_dev->cmd_xfer = cros_kunit_ec_xfer_mock; ec_dev->pkt_xfer = cros_kunit_ec_xfer_mock; + mutex_init(&ec_dev->lock); priv->msg = (struct cros_ec_command *)priv->_msg; -- 2.42.0