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This Fixes the clang scan warning: Undefined or garbage value returned to caller [core.uninitialized.UndefReturn] return ret; Signed-off-by: Gautam Menghani --- include/linux/mm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 9f44254af8ce..f437bd81d6a4 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1700,7 +1700,7 @@ static inline int arch_make_page_accessible(struct page *page) #ifndef HAVE_ARCH_MAKE_FOLIO_ACCESSIBLE static inline int arch_make_folio_accessible(struct folio *folio) { - int ret; + int ret = 0; long i, nr = folio_nr_pages(folio); for (i = 0; i < nr; i++) { -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 50930C433FE for ; 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Tue, 24 May 2022 10:28:00 -0700 (PDT) From: Gautam Menghani To: akpm@linux-foundation.org Subject: [PATCH] include/linux/mm: Initialize an int variable to prevent returning garbage value Date: Tue, 24 May 2022 10:27:55 -0700 Message-Id: <20220524172755.11892-1-gautammenghani201@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Cc: linux-mm@kvack.org, linux-kernel-mentees@lists.linuxfoundation.org, linux-kernel@vger.kernel.org, Gautam Menghani X-BeenThere: linux-kernel-mentees@lists.linuxfoundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-kernel-mentees-bounces@lists.linuxfoundation.org Sender: "Linux-kernel-mentees" Initialize the variable 'ret' to prevent garbage value from being returned. This Fixes the clang scan warning: Undefined or garbage value returned to caller [core.uninitialized.UndefReturn] return ret; Signed-off-by: Gautam Menghani --- include/linux/mm.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/mm.h b/include/linux/mm.h index 9f44254af8ce..f437bd81d6a4 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1700,7 +1700,7 @@ static inline int arch_make_page_accessible(struct page *page) #ifndef HAVE_ARCH_MAKE_FOLIO_ACCESSIBLE static inline int arch_make_folio_accessible(struct folio *folio) { - int ret; + int ret = 0; long i, nr = folio_nr_pages(folio); for (i = 0; i < nr; i++) { -- 2.25.1 _______________________________________________ Linux-kernel-mentees mailing list Linux-kernel-mentees@lists.linuxfoundation.org https://lists.linuxfoundation.org/mailman/listinfo/linux-kernel-mentees