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 27A811FB4F for ; Tue, 1 Aug 2023 09:46:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A2CADC433C7; Tue, 1 Aug 2023 09:46:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1690883199; bh=d6EulDygj8rJMQLCktFMZbCy/cY2VFdd/lQ/qxV5oRQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=neE1DMw/buX4oAASV5wYuUdKN7DvnrCfdjFwHtLWWHf5vF3n9cudM6W3thFmR99Gi CNzspalcJV6LkruizS8TGwBj0Q3mbC7L5a7/Nrn8g2FbkBDAdhGIcHiaXOMyRfgBOZ KJmC5K7xwN7j/28/I9yOaZaMQiX74ACe3jLP/4i4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, stable@kernel.org, Biju Das , Geert Uytterhoeven Subject: [PATCH 6.4 150/239] tty: serial: sh-sci: Fix sleeping in atomic context Date: Tue, 1 Aug 2023 11:20:14 +0200 Message-ID: <20230801091931.073219207@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230801091925.659598007@linuxfoundation.org> References: <20230801091925.659598007@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Biju Das commit 57c984f6fe20ebb9306d6e8c09b4f67fe63298c6 upstream. Fix sleeping in atomic context warning as reported by the Smatch static checker tool by replacing disable_irq->disable_irq_nosync. Reported by: Dan Carpenter Fixes: 8749061be196 ("tty: serial: sh-sci: Add RZ/G2L SCIFA DMA tx support") Cc: stable@kernel.org Signed-off-by: Biju Das Reviewed-by: Geert Uytterhoeven Link: https://lore.kernel.org/r/20230704154818.406913-1-biju.das.jz@bp.renesas.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/sh-sci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index 7c9457962a3d..8b7a42e05d6d 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -590,7 +590,7 @@ static void sci_start_tx(struct uart_port *port) dma_submit_error(s->cookie_tx)) { if (s->cfg->regtype == SCIx_RZ_SCIFA_REGTYPE) /* Switch irq from SCIF to DMA */ - disable_irq(s->irqs[SCIx_TXI_IRQ]); + disable_irq_nosync(s->irqs[SCIx_TXI_IRQ]); s->cookie_tx = 0; schedule_work(&s->work_tx); -- 2.41.0