From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Tue, 03 Sep 2024 11:52:54 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1slQDV-000pQU-08 for lore@lore.pengutronix.de; Tue, 03 Sep 2024 11:52:54 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1slQDT-0007Uu-UD for lore@pengutronix.de; Tue, 03 Sep 2024 11:52:52 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=ulejDGl8/9zr1pfXNF2wV39GkBK0AthSnAP2Flfid98=; b=i5S/SdZGNCky77XTQPFJc7ptUj tZ6NYL5vkihJl6P4TmZMqxAsMQsrvVUHOOpq2tZabG71/Y2zaQ2pPYVs5O50ZYAK8BJMu5r19JQyl vIuldvlw45EXgiSvypAWKM01Fp+XGIaL0+Y5WMZz53lxrgrUtw3ManHbPW/HGNeH5e0jX1wGnuLlX 1OapOF6D2pyMrpnsJDmWEY54YXA7Zpo3bAt021gr7QqcFYwzKLAh0HKHlcpk2kKzQZK7JFgwDGCAt 0sQSP7XRyOVUdW9YVMG6Le9yTS0KgNsBmSknkYf2hoaKvIi2RbyDIlkOPYifwHCqnQSGxu6I3nwuR 3ygHGdbw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1slQCn-0000000HFJu-3Yzl; Tue, 03 Sep 2024 09:52:09 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1slPyS-0000000HC3y-04IP for barebox@bombadil.infradead.org; Tue, 03 Sep 2024 09:37:20 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:Content-Type: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-ID: Content-Description:In-Reply-To:References; bh=ulejDGl8/9zr1pfXNF2wV39GkBK0AthSnAP2Flfid98=; b=voNdPeeD6zJMsEI8+RayziHsSV AdHE34XKM7VXFMysGyRn6PXWcR2Vg7myJHgijINaJWOMFe9CSRVLzlepsg7d+2LZhcMl5G8q/7nfu qJ3gUHP0aTZ0QU0QJTkmNVaqRkEYt0KbVLnSMW7Er93YZGZBNqVsP8U6F+YIqkzePkkoxwUZV5lM0 FumVoTgAn2TmN4seYFJ9hoMCKvmTcDvF3TzjBBsA3VODEFPWg3dG1hF4AlwiafApoGOKiv5ehhsPj LIjdkzN0mwkLpXL/ybzkiBXGkgsPem1ByCOWwhMXGba16bpKe9qnJJeNThTIhE00YfmnMRwvLT9u+ kNrnTxIg==; Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by casper.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1slPyO-0000000825i-48dz for barebox@lists.infradead.org; Tue, 03 Sep 2024 09:37:18 +0000 Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=localhost) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1slPyN-0000hU-Qv; Tue, 03 Sep 2024 11:37:15 +0200 From: Rouven Czerwinski To: barebox@lists.infradead.org Cc: Rouven Czerwinski Date: Tue, 3 Sep 2024 11:37:12 +0200 Message-ID: <20240903093712.453901-1-r.czerwinski@pengutronix.de> X-Mailer: git-send-email 2.46.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240903_103717_048035_9D55E0DE X-CRM114-Status: GOOD ( 10.78 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.1 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH] include: linux/iopoll: fix uninitialized warning X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) In gcc 13.3 there is a warning that start may be used unitialized: include/linux/iopoll.h:42:21: warning: ‘start’ may be used uninitialized [-Wmaybe-uninitialized] 42 | is_timeout(start, ((timeout_us) * USECOND))) { \ | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ The warning is bogus since before usage of start !IN_PBL and timeout_us != 0 are checked for the case where start is used, but in this case it is also always initialized to get_time_ns(). Initialize it to zero to silence the warning. Signed-off-by: Rouven Czerwinski --- include/linux/iopoll.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/iopoll.h b/include/linux/iopoll.h index 96b17dee48..c7dcaec382 100644 --- a/include/linux/iopoll.h +++ b/include/linux/iopoll.h @@ -31,7 +31,7 @@ */ #define read_poll_timeout(op, val, cond, timeout_us, args...) \ ({ \ - uint64_t start; \ + uint64_t start = 0; \ if (!IN_PBL && (timeout_us) != 0) \ start = get_time_ns(); \ for (;;) { \ -- 2.46.0