From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 CD22E428822 for ; Fri, 22 May 2026 14:35:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779460503; cv=none; b=U4R3Ih+QQ/cZhoEN3KZisELAT0tckPsqo4ht5blmFcLaQ5PuIrnPZ8z80uv+P1nWvCiFJA+v5KXS5raClSsjwBYmHQWXMtb4AHXQgXCPf3jCIySsOt23caQO+FzquD4tWMtjOv9ySMXM7R64dDJPo9MAH9kk/5wupcS9tL+K72E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779460503; c=relaxed/simple; bh=RDoeT/dMm98P3BL5kwGwBTK7uUr+pj8BCO8qU5GyOas=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=PfQQ7K0S3u8Ss/BXEL2t8watLWAzQ6qaXi5VNKDEU5uiR/n/xnkLqS6BhZMrZnCsBP5EjrscZQGK6rMbjVSPdXObo0rjAS3/R+a6hp0reaFUxYPpEotNTXPXaxryP6eb7uA6jXWniupSo82vBG9cBW6cH5PlXFyr35+3e5QdBhU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dS8QlHQO; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="dS8QlHQO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A205C1F000E9; Fri, 22 May 2026 14:35:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1779460501; bh=WkYjyur7AV3cNG5Dvb9lMi2dJWrLVGIR03kGW2DQYgM=; h=Date:From:To:Cc:Subject:References; b=dS8QlHQO1IUknmL3AqzMPFhyCG1wCMaOcz7kbE0dAZ4lUKgu4TbIRIpR/oqlpzU0I M7LQvC/h7MXN30m+qwjmtIbuMHra15fpZfWi1NRnDYHHzXbVbRCVceJnibYtvVb84Y 3L3Yq1yXyA2R8yflRFVvyy5oULbz4RStNmCj9xZ8ohlLvJbWHOWO2n5St11tqMCPbZ qt+DyqKHsXZBf7KAepK/wDf5NwnhWWb9nGDIZ7TityeG5fo5QsNRb6qa72mZ2PHMwR xn0oAnB9O+SAJ6WiXtH3ruRxLW2HkREPSCNaRqqW4R7BPdzxAr4QWAaHXI7zazDZNa ly+1qUCBFIwSQ== Received: from rostedt by gandalf with local (Exim 4.99.2) (envelope-from ) id 1wQQyD-0000000666B-0kob; Fri, 22 May 2026 10:35:25 -0400 Message-ID: <20260522143525.024053404@kernel.org> User-Agent: quilt/0.69 Date: Fri, 22 May 2026 10:35:09 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , Yash Suthar Subject: [for-next][PATCH 01/15] tracing: Remove redundant IS_ERR() check in trace_pipe_open() References: <20260522143508.298439732@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 From: Yash Suthar in trace_pipe_open() already check the IS_ERR(iter) and return early on error,so iter after will be valid and it is safe to return 0 at end. Link: https://patch.msgid.link/20260420101236.223919-1-yashsuthar983@gmail.com Signed-off-by: Yash Suthar Signed-off-by: Steven Rostedt --- kernel/trace/trace_remote.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/trace_remote.c b/kernel/trace/trace_remote.c index d6c3f94d67cd..2a6cc000ec98 100644 --- a/kernel/trace/trace_remote.c +++ b/kernel/trace/trace_remote.c @@ -602,7 +602,7 @@ static int trace_pipe_open(struct inode *inode, struct file *filp) filp->private_data = iter; - return IS_ERR(iter) ? PTR_ERR(iter) : 0; + return 0; } static int trace_pipe_release(struct inode *inode, struct file *filp) -- 2.53.0