From patchwork Fri Feb 28 02:48:42 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuanjun Gong X-Patchwork-Id: 13995497 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.3]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 23F3A23CB for ; Fri, 28 Feb 2025 02:49:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.3 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740710975; cv=none; b=Kfm7hDYB/eHk2jvlDRdWM4zMUSJAXSgX/kJEX/TbCQ7V/zwtDPf+em87IZ0KOCBmZY5DoopLXn8YXIWINqnfCbK1FWx+ESCmsfKeLaIC0+3lM0vArelbiuwcm3ONIaUjT9vuEpvPsgG8WQuUwNQcwXfABgTbaKHTSu9J8vr/3LI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740710975; c=relaxed/simple; bh=NGneAqcPa9uXRnmOYI7TQF4nMDkTJ2vJ9JtxfzZEhl8=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=A1s/zBNdAvCZTgikD6RaighjV7iRe6eddJEb0fD2SpfT77PsERjqBQtjK5Lwn9K7738SxHmCAfcupVNBzTgWVyXzp9XK0ok7P73fGgvzmdw1mWUKOcP6eaALssRibL3aIp9+dOfx17d7XeqbIHoOi9W9G3c6MqPkGdjRV/MxqWA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=J2S8Rj5P; arc=none smtp.client-ip=220.197.31.3 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="J2S8Rj5P" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:Subject:Date:Message-Id:MIME-Version; bh=yWjiI zfU/RA5I19orKkX0tddrj8f3zVyDIkfRACWU7Q=; b=J2S8Rj5PR2LSAy3hZvFTK R8Tis6mQdT0jxtKISvSwSMuUxKscJ6Y0PXRt6baU+lYWsXODHNLuUWoJD/sf+Uvx I89sYUjrmeJoquWrpwTMQp/YGuRK/K+XHh3xHsbLNgq2YlOE7snaWGXGJLyRcXQu WcHMrqnvZbPioaSELt0VEA= Received: from icess-ProLiant-DL380-Gen10.. (unknown []) by gzga-smtp-mtada-g1-3 (Coremail) with SMTP id _____wDXT20MJMFnHQ_VPA--.15749S4; Fri, 28 Feb 2025 10:48:59 +0800 (CST) From: Yuanjun Gong To: Carlos Maiolino , "Darrick J . Wong" , linux-xfs@vger.kernel.org Cc: Yuanjun Gong Subject: [PATCH 1/1] fs/xfs: Add check to kmem_cache_zalloc() Date: Fri, 28 Feb 2025 10:48:42 +0800 Message-Id: <20250228024842.3739554-1-ruc_gongyuanjun@163.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: _____wDXT20MJMFnHQ_VPA--.15749S4 X-Coremail-Antispam: 1Uf129KBjvdXoW5tw43AF18uw18tFykXr45GFg_yoWxXrX_Ka 17Kr1fGa45J347Ja17Ar9YyryDtw47Ars3uan0ka4rtryxZFykKryDZr45Zr17WrnxJr9r Xws7Cryagry7AjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7sR_FALtUUUUU== X-CM-SenderInfo: 5uxfsw5rqj53pdqm30i6rwjhhfrp/1tbiUR8C5WfBG--EfgAAsR Add check to the return value of kmem_cache_zalloc() in case it fails. Signed-off-by: Yuanjun Gong --- fs/xfs/xfs_buf_item.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index 47549cfa61cd..3c23223b7d70 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -880,6 +880,8 @@ xfs_buf_item_init( } bip = kmem_cache_zalloc(xfs_buf_item_cache, GFP_KERNEL | __GFP_NOFAIL); + if (!bip) + return -ENOMEM; xfs_log_item_init(mp, &bip->bli_item, XFS_LI_BUF, &xfs_buf_item_ops); bip->bli_buf = bp;