From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-176.mta1.migadu.com (out-176.mta1.migadu.com [95.215.58.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8B47C3438A2 for ; Wed, 8 Jul 2026 18:25:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.176 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783535130; cv=none; b=k0Y9x9ii7dXMXhN7t4dzVFdFM1F6igPePmgvwlV92b6N9wa47kpG2fEeQEhZM0Hz5hdiOqb8+oxhWzJA8u95hjLNJqBgyPHEd61PUE7aZrdEQoebVCkdQ1Jbc+y8rc5XhbiRAu5QyD8TSnb5K9aWE0uRUt+RjvhCo+4O+ARYBHs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783535130; c=relaxed/simple; bh=6QNOkdhCbS1zSrynkcrf4iXWNtn7FlSJMHDEznG+FJs=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=BwNXLQMf7nCpnvN4dK0Hg1Sl9w2VN+dieUDVF85qetb/N4GUgh4E7v08RfJNuIBMtpdrXGfpltVu81cuPTgo/FqKSfrABFWmonUXyMANW73wsclLZc2H/NvVo37OIBsxWoi1fEQK2yvtr8PrcN0GNODFbjgeGgvf0Ls8JO2yKeE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=kWC74xpj; arc=none smtp.client-ip=95.215.58.176 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="kWC74xpj" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1783535126; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=GmUXCwO/YG7npJOqJHZit2JMx0cXqLbuiAg6odak188=; b=kWC74xpjlZoEPmVFUoX6zCsOTcOlWxxQQqHqJGaQ0mOnBE0pOvULzvRu8jcbVBZuJ/km5K +e7ZXlO+Q4gHo1ctPKss3tQtMaHPmLJ9dA9j1As62TrPIqcY+S2Noy5zcRaxxzNS2/kvqx ZCEh9vwJVe85VGtlo1A8mScQ7OL0fTI= From: Fuad Tabba To: kvm@vger.kernel.org Cc: kvmarm@lists.linux.dev, Will Deacon , Alexandru Elisei , Suzuki K Poulose , Andre Przywara , Oliver Upton , Marc Zyngier , Fuad Tabba Subject: [PATCH kvmtool v2 1/4] Initialize the return value in kvm__for_each_mem_bank() Date: Wed, 8 Jul 2026 19:25:07 +0100 Message-Id: <20260708182510.2181857-2-fuad.tabba@linux.dev> In-Reply-To: <20260708182510.2181857-1-fuad.tabba@linux.dev> References: <20260708182510.2181857-1-fuad.tabba@linux.dev> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT If none of the bank types match, the function would return an uninitialized value. Signed-off-by: Fuad Tabba --- kvm.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/kvm.c b/kvm.c index 7a52c6a..95ccfcb 100644 --- a/kvm.c +++ b/kvm.c @@ -383,14 +383,15 @@ u64 host_to_guest_flat(struct kvm *kvm, void *ptr) * their type. * * If one call to @fun returns a non-zero value, stop iterating and return the - * value. Otherwise, return zero. + * value. If none of the bank types match, return -ENODEV. Otherwise, return + * zero. */ int kvm__for_each_mem_bank(struct kvm *kvm, enum kvm_mem_type type, int (*fun)(struct kvm *kvm, struct kvm_mem_bank *bank, void *data), void *data) { - int ret; struct kvm_mem_bank *bank; + int ret = -ENODEV; list_for_each_entry(bank, &kvm->mem_banks, list) { if (type != KVM_MEM_TYPE_ALL && !(bank->type & type)) -- 2.39.5