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V" , Sohil Mehta , x86@kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-kselftest@vger.kernel.org Subject: [RFC PATCH 2/6] testing/pkeys: Don't use uninitialized variable Date: Fri, 10 Jun 2022 16:35:29 -0700 Message-Id: <20220610233533.3649584-3-ira.weiny@intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220610233533.3649584-1-ira.weiny@intel.com> References: <20220610233533.3649584-1-ira.weiny@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1654904140; a=rsa-sha256; cv=none; b=5PJrYYx+LFVXeOoIHpUar3Emz0fu9KT+4M5MmqdsLIxF9E81VYYmyvKbj7PH0KpeKze5yv 6OXRSMw6odLOslgZ9IElxF4MDHByW2+NwTk31gwtNx2WKuSqia019eU9/WSe0zNzA99qaY 7bFFPNOi2ReebQEgZShk2GkU5fNYZUM= ARC-Authentication-Results: i=1; imf10.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=bVkhDmy2; dmarc=pass (policy=none) header.from=intel.com; spf=none (imf10.hostedemail.com: domain of ira.weiny@intel.com has no SPF policy when checking 192.55.52.93) smtp.mailfrom=ira.weiny@intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1654904140; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=KraTxf8cLbmMQv+W367tSpGKjtxXrEwm9VaXBu5iQ98=; b=AoKFykljG/YLGI2RIi4TS06iJZTAvytZh0PCLTioEwsnlu1mu6KEzD8XX8oQsca+xfwQn2 QqgvKsn+1tVFd3tvTmeOdv83+CHBQRzO4dLmQbgPAovOX3r+wPg3AjKQQDwozTcWHJIWse FkFT+hTS8u0aPIJZ94lmwJZMaDaAfTo= X-Stat-Signature: 55xkpcembidbw43os1o4ya7nzanbyaok X-Rspam-User: X-Rspamd-Queue-Id: 0D901C0042 X-Rspamd-Server: rspam07 Authentication-Results: imf10.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=bVkhDmy2; dmarc=pass (policy=none) header.from=intel.com; spf=none (imf10.hostedemail.com: domain of ira.weiny@intel.com has no SPF policy when checking 192.55.52.93) smtp.mailfrom=ira.weiny@intel.com X-HE-Tag: 1654904139-257206 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: Ira Weiny err was being used in test_pkey_alloc_exhaust() prior to being assigned. errno is useful to know after a failed alloc_pkey() call. Change err to errno in the debug print. Cc: Dave Hansen Cc: Aneesh Kumar K.V Signed-off-by: Ira Weiny --- tools/testing/selftests/vm/protection_keys.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/vm/protection_keys.c b/tools/testing/selftests/vm/protection_keys.c index d0183c381859..43e47de19c0d 100644 --- a/tools/testing/selftests/vm/protection_keys.c +++ b/tools/testing/selftests/vm/protection_keys.c @@ -1225,9 +1225,9 @@ void test_pkey_alloc_exhaust(int *ptr, u16 pkey) int new_pkey; dprintf1("%s() alloc loop: %d\n", __func__, i); new_pkey = alloc_pkey(); - dprintf4("%s()::%d, err: %d pkey_reg: 0x%016llx" + dprintf4("%s()::%d, errno: %d pkey_reg: 0x%016llx" " shadow: 0x%016llx\n", - __func__, __LINE__, err, __read_pkey_reg(), + __func__, __LINE__, errno, __read_pkey_reg(), shadow_pkey_reg); read_pkey_reg(); /* for shadow checking */ dprintf2("%s() errno: %d ENOSPC: %d\n", __func__, errno, ENOSPC); -- 2.35.1