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 CAD3F263F5E; Tue, 27 May 2025 16:51:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748364705; cv=none; b=HGJH3+nkRS+alEwZfVPRYT+jFqzkOAtIpsQ0fa8gBfnmDTg2fkt9zd+m4Ic5yVoE8LhiCrZUbuBfNTmSWb5S5Nt1TMl1hNDXGLorUpgV80BmJFZce6ce3VghPLMGBRK8lPpmeBQvHtKbymEzQVsc82NI/HCWrC6CE0jH6dE4IlQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748364705; c=relaxed/simple; bh=8FYICPDfTnMvMeYHjWW8bE0ZiorfsFo+2Z26xsvhsLM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=T9y0QCcC5P3FEb21sf9l7nA5z8LrWxi/kAbskYQwRrJUU+q1PrLI65FHhy9IFJdXniA+XvaIVcSOrKeHAt6abVSj0O4hdF82xsg9/JtjXswoRiujJprWyG3Ivq8v9OZL1wh7SRZ1jK88OGS7zhLif2BnOnaEy5ywYmWKJ46LRfA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=VozRy2Iv; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="VozRy2Iv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 572C7C4CEE9; Tue, 27 May 2025 16:51:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1748364705; bh=8FYICPDfTnMvMeYHjWW8bE0ZiorfsFo+2Z26xsvhsLM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VozRy2Iv79jzDHbIvU5snL0IpH8FfuV3DDm2XoRtyjyOZZKAbbHWBObD/KZPdPDYO PFzAFA5Qgo/yCf9NSMpeYuRkYV0+PaXzBHLMib1M5ZPb/sC1mK5sPRT6oRUUR7eZ3o 6rgVmNUh6HmDyY/CF+gS7mcwjVlBV9QzFo48N5UM= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Vitalii Mordan , Andi Shyti , Sasha Levin Subject: [PATCH 6.12 113/626] i2c: pxa: fix call balance of i2c->clk handling routines Date: Tue, 27 May 2025 18:20:06 +0200 Message-ID: <20250527162449.625395382@linuxfoundation.org> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250527162445.028718347@linuxfoundation.org> References: <20250527162445.028718347@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Vitalii Mordan [ Upstream commit be7113d2e2a6f20cbee99c98d261a1fd6fd7b549 ] If the clock i2c->clk was not enabled in i2c_pxa_probe(), it should not be disabled in any path. Found by Linux Verification Center (linuxtesting.org) with Klever. Signed-off-by: Vitalii Mordan Signed-off-by: Andi Shyti Link: https://lore.kernel.org/r/20250212172803.1422136-1-mordan@ispras.ru Signed-off-by: Sasha Levin --- drivers/i2c/busses/i2c-pxa.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index 4d76e71cdd4be..afc1a8171f59e 100644 --- a/drivers/i2c/busses/i2c-pxa.c +++ b/drivers/i2c/busses/i2c-pxa.c @@ -1503,7 +1503,10 @@ static int i2c_pxa_probe(struct platform_device *dev) i2c->adap.name); } - clk_prepare_enable(i2c->clk); + ret = clk_prepare_enable(i2c->clk); + if (ret) + return dev_err_probe(&dev->dev, ret, + "failed to enable clock\n"); if (i2c->use_pio) { i2c->adap.algo = &i2c_pxa_pio_algorithm; -- 2.39.5