From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-lf1-f45.google.com (mail-lf1-f45.google.com [209.85.167.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4284115C13B for ; Sun, 11 Aug 2024 22:28:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723415331; cv=none; b=Ulx1mOVWuAdTzG+2JyWsLRD9OdM4PgXH2DdwwOX9dToeTWOwD6+5HQFNNXPolPP7iYekK3ZZzTKlqHrc9mIVgOSO2/yT1Nf3xXy6HSMq+2RPC9jH41dLdfJ8JDem51JfixSqGABMJqiq95HyNblLtVVq7Tf8DmR8hf8tbqAO4eA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723415331; c=relaxed/simple; bh=SvuBgeyo27tgYl4Mr5AlkANtSM/xC+yG8m8oOENgZv8=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=VtCgr9PcVVcJJP0vLSyGbUbfL9NwGql1yUo5Dr6+zIuhR9cuPc3FGcjZrgYynGcpc6rtjJCVNUlBTbrS8Mufib9CMPLg7fCrPE/PApWUIrUHfjzbJrk4MisjIRiNEBlfUz325bcMv9dm+dD7nAwppZXD4jF+pPC00VCaanyyyvE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=toblux.com; spf=none smtp.mailfrom=toblux.com; dkim=pass (2048-bit key) header.d=toblux-com.20230601.gappssmtp.com header.i=@toblux-com.20230601.gappssmtp.com header.b=uAlyXlbJ; arc=none smtp.client-ip=209.85.167.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=toblux.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=toblux.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=toblux-com.20230601.gappssmtp.com header.i=@toblux-com.20230601.gappssmtp.com header.b="uAlyXlbJ" Received: by mail-lf1-f45.google.com with SMTP id 2adb3069b0e04-52f04150796so4816198e87.3 for ; Sun, 11 Aug 2024 15:28:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=toblux-com.20230601.gappssmtp.com; s=20230601; t=1723415328; x=1724020128; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=9kZmqufziw/U+BnNxjrYdFrOXuxXNNyKWmcKd111XVA=; b=uAlyXlbJc8Kmw1xRFgAaXH8L6C6YOTFcL6tlJRhDSQ3zJNMxdLPjhpxu6lAgXgwa5i hvShzlJFE3a4S72bgezsmUrwVMDXg6nkBezSMo+EaQmgvroCipaMdskz7GGwIma3nklA tIPnyImvXpY1kgL0hoboF4zVL7yG5LSwFQMGti99dW8/5xC6WwTNovTH17r28v5+tuAq zNrZR+V4BKKKKSKLIxhJbEnRsgMMOe8IWe1PvoViPlugc28pUx5Dc7oWkUzgvEfQjY5i 4ugGME4zEHW99MOV2UAlBCd7IO4F+3MZrcA5NVGKnrYDZQKGF3yA2K8YeIq+GA2odoPc z8OA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723415328; x=1724020128; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=9kZmqufziw/U+BnNxjrYdFrOXuxXNNyKWmcKd111XVA=; b=vsY4kaR2ZYpW5MV+LHMttLauB6QPIJemwvftdNpNULc3HkC+/tQ8zWtePN+GpHGvaU ssGjQLV0akRgMPFKqj+AIgRtk8kp0Kt4EvXh3GG6iEWftxt9gMmvYK/VxD+gB8hfnkai +RiEudsc8HpfpvpqYJwg3T05cT7QeKBiTcjV8d8p7MrVymWIbgS4bCBkGtYEwmBu/D59 4FZHbXFhfz6muMtX9YiES0Jwq+T9W7gxrBEwPmbNql5IALTHOuyi7gObg/BeLqPgIqnP 9QAvOYO7aTi+18wxkQ9DiyeZWBQP/nHKXXb7foUx7vl6N/9+vgWzrxkmvIdHqTs4TbC4 uL4g== X-Gm-Message-State: AOJu0YwxZLEMjeH8N+vWmPBzsQJ3hUIPuZyaYFigZ04LrVE33UmA7ACm 4NCEAxA4u2PfmaQmz48CbC1AzC0Lodpij+m98uhqIlt4rm2sI9kKwzvC3LYPkeU= X-Google-Smtp-Source: AGHT+IENX86CxS1gvrkgJ3UUqgNCjaYT47MBR3MYQB8KT1yLME4fAVlu2X15Xe16bQ5f2lcEQ4b8hA== X-Received: by 2002:a05:6512:2248:b0:52b:bf8e:ffea with SMTP id 2adb3069b0e04-530ee9cf30fmr6123089e87.40.1723415324643; Sun, 11 Aug 2024 15:28:44 -0700 (PDT) Received: from fedora.fritz.box (aftr-62-216-208-163.dynamic.mnet-online.de. [62.216.208.163]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a80bb1cce18sm176097366b.124.2024.08.11.15.28.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 11 Aug 2024 15:28:44 -0700 (PDT) From: Thorsten Blum To: axboe@kernel.dk, asml.silence@gmail.com Cc: io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, Thorsten Blum Subject: [PATCH] io_uring: Remove unneeded if check in io_free_batch_list() Date: Mon, 12 Aug 2024 00:28:18 +0200 Message-ID: <20240811222817.24610-2-thorsten.blum@toblux.com> X-Mailer: git-send-email 2.46.0 Precedence: bulk X-Mailing-List: io-uring@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit kfree() already checks if its argument is NULL. Remove the unneeded if check and fix the following Coccinelle/coccicheck warning reported by ifnullfree.cocci: WARNING: NULL check before some freeing functions is not needed Signed-off-by: Thorsten Blum --- io_uring/io_uring.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index 3942db160f18..7597b9dcab28 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -1382,8 +1382,7 @@ static void io_free_batch_list(struct io_ring_ctx *ctx, if ((req->flags & REQ_F_POLLED) && req->apoll) { struct async_poll *apoll = req->apoll; - if (apoll->double_poll) - kfree(apoll->double_poll); + kfree(apoll->double_poll); if (!io_alloc_cache_put(&ctx->apoll_cache, apoll)) kfree(apoll); req->flags &= ~REQ_F_POLLED; -- 2.46.0