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Thu, 19 Aug 2021 20:24:54 -0700 (PDT) Received: from localhost.localdomain ([193.203.214.57]) by smtp.gmail.com with ESMTPSA id y15sm2523164qko.78.2021.08.19.20.24.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Aug 2021 20:24:54 -0700 (PDT) From: CGEL X-Google-Original-From: CGEL To: Andrew Morton Cc: Shuah Khan , linux-mm@kvack.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, jing yangyang , Zeal Robot Subject: [PATCH linux-next] testing/vm/: fix application of sizeof to pointer Date: Thu, 19 Aug 2021 20:24:30 -0700 Message-Id: <20210820032430.12948-1-jing.yangyang@zte.com.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Rspamd-Queue-Id: 55E6C1904 Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=gmail.com header.s=20161025 header.b=HnwPaAA7; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (imf22.hostedemail.com: domain of cgelzte@gmail.com designates 209.85.222.169 as permitted sender) smtp.mailfrom=cgelzte@gmail.com X-Rspamd-Server: rspam04 X-Stat-Signature: j3za4sf9wdx9orkkemauydc9n1rgsu7z X-HE-Tag: 1629429895-110018 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: jing yangyang sizeof when applied to a pointer typed expression gives the size of the pointer. ./tools/testing/selftests/vm/split_huge_page_test.c:344:36-42: ERROR application of sizeof to pointer This issue was detected with the help of Coccinelle. Reported-by: Zeal Robot Signed-off-by: jing yangyang --- tools/testing/selftests/vm/split_huge_page_test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/vm/split_huge_page_test.c b/tools/testing/selftests/vm/split_huge_page_test.c index 1af16d2..54bf57f 100644 --- a/tools/testing/selftests/vm/split_huge_page_test.c +++ b/tools/testing/selftests/vm/split_huge_page_test.c @@ -341,7 +341,7 @@ void split_file_backed_thp(void) } /* write something to the file, so a file-backed THP can be allocated */ - num_written = write(fd, tmpfs_loc, sizeof(tmpfs_loc)); + num_written = write(fd, tmpfs_loc, sizeof(*tmpfs_loc)); close(fd); if (num_written < 1) {