From patchwork Tue Mar 17 12:36:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandru Ardelean X-Patchwork-Id: 11442855 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0537F92A for ; Tue, 17 Mar 2020 12:36:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DA11020757 for ; Tue, 17 Mar 2020 12:36:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="aII4WxDC" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725916AbgCQMgc (ORCPT ); Tue, 17 Mar 2020 08:36:32 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:33899 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725906AbgCQMgc (ORCPT ); Tue, 17 Mar 2020 08:36:32 -0400 Received: by mail-wr1-f67.google.com with SMTP id z15so25403289wrl.1; Tue, 17 Mar 2020 05:36:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=o3qXPaTU6PrsJxaBR+W/miPqJdXIPm3n5FrZLJ/cohk=; b=aII4WxDC2xPoJw6uOldC//Wh7pC7AuhV8vqxZjipKLGzQVgPN8B//5CIxStHerKRVx iHo22AxANVinBFsI+BUr+gpqalB1s0ESHlWZqnoVEQpNPCANZVmQC7K+3X/J8ls3mBk8 eWVhZY7A+XWvvVgl99TUxhyOpCP1qKfWcFnCD3v6onHtyqDTwXkKlDv/0nnrPrv1FACm dADRmY3AolNspK/vCAsLE71krGiBzQj5Yd6Tmx4Jadi0GsCd40gyHQEH+j6KIItL8lLl bxH1m8bQy7WUHD9GMVANFv/eb1DQg5aE2VvFpZw8wvyH06VXK5GJ8JmdHLMb1SmMdalD lPHw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=o3qXPaTU6PrsJxaBR+W/miPqJdXIPm3n5FrZLJ/cohk=; b=oZ+deYdNlaRdfQpNyjNtFEJDsPHxMkBVCV4PHCLTJejM8se1o9JHPe2rUv/rwlzflK oT8MP/ZxGznMrVY/D5NPB98wzOpr716tWwv1NskhRyB5HfRIpjuGAdZSfcyfXoy8XTgC QkiqN1mJhNUFw4gqNkYLOJwVAhOJXiXZIX9LOVF0dl0DkA8rtw1lUxfqABRoM/b4829R 81Reba77MxOrIt01p5Rffm6Dh0TydLjmsf+aT08ncbqkw7806sGAFZ1AS7oJBL/WIWHQ RZynXN60zdlbThOJtrAJZ8RDuibFX7kbd3lp/P5x4c9iuMb0uBHOIJkw6W5WQ6ziRbxY lwtQ== X-Gm-Message-State: ANhLgQ0QY8+wQ0QF7VAAfZ54PdRWaouOy3MbnQLhV2+sLSXymzSVOTod gQfwczOhgCfKZ4oaeaDf4HK8fzFL X-Google-Smtp-Source: ADFU+vs1G4RxuyQdAwdPDAYcwg0CpbROQCXwC93f1yUlLtoWWfR7HwqM40WwmRmfUDEjloqYdmijAQ== X-Received: by 2002:a5d:6ca7:: with SMTP id a7mr6351863wra.157.1584448589815; Tue, 17 Mar 2020 05:36:29 -0700 (PDT) Received: from saturn.lan ([188.26.73.247]) by smtp.gmail.com with ESMTPSA id a184sm3961194wmf.29.2020.03.17.05.36.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Mar 2020 05:36:29 -0700 (PDT) From: Alexandru Ardelean X-Google-Original-From: Alexandru Ardelean To: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Cc: jic23@kernel.org, andriy.shevchenko@linux.intel.com, lars@metafoo.de, Alexandru Ardelean Subject: [PATCH] iio: buffer: re-introduce bitmap_zalloc() for trialmask Date: Tue, 17 Mar 2020 14:36:21 +0200 Message-Id: <20200317123621.27722-1-alexandru.ardelean@analog.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Commit 3862828a903d3 ("iio: buffer: Switch to bitmap_zalloc()") introduced bitmap_alloc(), but commit 20ea39ef9f2f9 ("iio: Fix scan mask selection") reverted it. This change adds it back. The only difference is that it's adding bitmap_zalloc(). There might be some changes later that would require initializing it to zero. In any case, now it's already zero-ing the trialmask. Signed-off-by: Alexandru Ardelean Reviewed-by: Andy Shevchenko --- drivers/iio/industrialio-buffer.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index 4ada5592aa2b..5ff34ce8b6a2 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -316,8 +316,7 @@ static int iio_scan_mask_set(struct iio_dev *indio_dev, const unsigned long *mask; unsigned long *trialmask; - trialmask = kcalloc(BITS_TO_LONGS(indio_dev->masklength), - sizeof(*trialmask), GFP_KERNEL); + trialmask = bitmap_zalloc(indio_dev->masklength, GFP_KERNEL); if (trialmask == NULL) return -ENOMEM; if (!indio_dev->masklength) {