From patchwork Tue Oct 24 14:55:59 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 13434721 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 A40592C872; Tue, 24 Oct 2023 14:56:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="NTMdiJcv" Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8254F111; Tue, 24 Oct 2023 07:56:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=PSnegE5ssburDqDLTAjk5xgoc42EdNbvgsI+b2wWw0s=; b=NTMdiJcv2ouSLgHvHcqXvhcZuU xrl2U/Sybh5O2OX9h2UekTwi3V1sXLFZXDbYyl7XJFyzB0q1jWRzMF5YYrus1QynYo8hXYJgUoTpT qvKUoXL5+UXxsvmd8uAL/oBEk5l8OQRMXPc7uZWMyWmIYZuoSBTUUX/MOMZ1F0yekxQ77hX9P6q9u ZfBvbtSwmAI8u9+U8TZKi0nJPAq0n33HB6cuGFGDk7S/+xdUERCUVMIgBQXqbNblq18Y9FzUw33ho oh/cqMyYFc1aKaUQ5ajIdT1jPa11BIoeBIEOTdqPDDfeSrlZZL6KZHXtOJWfJNQR+TBii53OQGmye aPi7+FVA==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1qvIp7-0036N7-Mv; Tue, 24 Oct 2023 14:56:01 +0000 From: "Matthew Wilcox (Oracle)" To: Steven Rostedt Cc: "Matthew Wilcox (Oracle)" , Kees Cook , Christoph Hellwig , Justin Stitt , linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Kent Overstreet , Petr Mladek , Andy Shevchenko , Rasmus Villemoes , Sergey Senozhatsky , Michael Ellerman Subject: [PATCH] powerpc: Remove initialisation of readpos Date: Tue, 24 Oct 2023 15:55:59 +0100 Message-Id: <20231024145600.739451-1-willy@infradead.org> X-Mailer: git-send-email 2.37.1 Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 While powerpc doesn't use the seq_buf readpos, it did explicitly initialise it for no good reason. Fixes: d0ed46b60396 ("tracing: Move readpos from seq_buf to trace_seq") Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Kees Cook --- arch/powerpc/kernel/setup-common.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 2f1026fba00d..34975532e44c 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -601,7 +601,6 @@ struct seq_buf ppc_hw_desc __initdata = { .buffer = ppc_hw_desc_buf, .size = sizeof(ppc_hw_desc_buf), .len = 0, - .readpos = 0, }; static __init void probe_machine(void)