From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 77EF015FD13; Fri, 15 Nov 2024 06:58:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731653922; cv=none; b=DEkfa6heIQiTUqXjrkzZWvus1ju6FpeNirmX5ULyyAiQL5YWC6AzaByMZA5nK257pgoQVUnL2vJXATz3oLOYchBtca7Y/CkLVTp0ltZX0C1ZaWnu3iaVAcx4iafsJ1eBq7VqfO4AQ/Fgo0Xc587RxOgq70IZ/noBOdlh+Xk0v4I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731653922; c=relaxed/simple; bh=+n5cwINiBcWMuzL2R5bexN6XzVFxKDneOO23i8zCWqk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=QxiaADl7q/XteA2VDQuT5vUPY4Gbpqsws36gpTHqkEGcBh2kESMvg08iT+6pwMaOjMWb1onlhzISOiOQG5venjGyOxoXT7S0tmi9Rsx7QeaiO42qtrIpikS147EFVB3VF5nGEUXmAeDa86DqRk/cg3qj8/c6C32UnIayk8wpyyw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Qph0gZw/; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="Qph0gZw/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C2BB7C4CED0; Fri, 15 Nov 2024 06:58:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1731653922; bh=+n5cwINiBcWMuzL2R5bexN6XzVFxKDneOO23i8zCWqk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Qph0gZw/r4KBlBYHLxzeCBO0JDNXDKyaFcpopQ0esHN5G9Dg+lHtMzoX0ZxTE7E/S 0JagOGAE5/oVSJIL2Ka1WeW1mvNrgp2xFtOxFVv/7NeBUmsH2tXEMVXWG3+bflmSls /9JGf7Eri39aVFwLH3AjSSLc+j+P6X38i97DDKU0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yuan Can , "Michael S. Tsirkin" , Jason Wang , Zhu Lingshan , Sasha Levin Subject: [PATCH 5.10 76/82] vDPA/ifcvf: Fix pci_read_config_byte() return code handling Date: Fri, 15 Nov 2024 07:38:53 +0100 Message-ID: <20241115063728.287230487@linuxfoundation.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241115063725.561151311@linuxfoundation.org> References: <20241115063725.561151311@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Yuan Can [ Upstream commit 7f8825b2a78ac392d3fbb3a2e65e56d9e39d75e9 ] ifcvf_init_hw() uses pci_read_config_byte() that returns PCIBIOS_* codes. The error handling, however, assumes the codes are normal errnos because it checks for < 0. Convert the error check to plain non-zero check. Fixes: 5a2414bc454e ("virtio: Intel IFC VF driver for VDPA") Signed-off-by: Yuan Can Message-Id: <20241017013812.129952-1-yuancan@huawei.com> Signed-off-by: Michael S. Tsirkin Acked-by: Jason Wang Acked-by: Zhu Lingshan Signed-off-by: Sasha Levin --- drivers/vdpa/ifcvf/ifcvf_base.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c b/drivers/vdpa/ifcvf/ifcvf_base.c index f2a128e56de5f..b5724b88d42bb 100644 --- a/drivers/vdpa/ifcvf/ifcvf_base.c +++ b/drivers/vdpa/ifcvf/ifcvf_base.c @@ -105,7 +105,7 @@ int ifcvf_init_hw(struct ifcvf_hw *hw, struct pci_dev *pdev) u32 i; ret = pci_read_config_byte(pdev, PCI_CAPABILITY_LIST, &pos); - if (ret < 0) { + if (ret) { IFCVF_ERR(pdev, "Failed to read PCI capability list\n"); return -EIO; } -- 2.43.0