linux-kernel - [PATCH] vdpa: Fix an error handling path in eni_vdpa

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <a7b0ef1eabd081f1c7c894e9b11de01678e85dee.1666293559.git.christophe.jaillet@wanadoo.fr>
Date:   Thu, 20 Oct 2022 21:21:09 +0200
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Wu Zongyong <wuzongyong@...ux.alibaba.com>,
        Arnd Bergmann <arnd@...db.de>
Cc:     linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        virtualization@...ts.linux-foundation.org
Subject: [PATCH] vdpa: Fix an error handling path in eni_vdpa_probe()

After a successful vp_legacy_probe() call, vp_legacy_remove() should be
called in the error handling path, as already done in the remove function.

Add the missing call.

Fixes: e85087beedca ("eni_vdpa: add vDPA driver for Alibaba ENI")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/vdpa/alibaba/eni_vdpa.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/vdpa/alibaba/eni_vdpa.c b/drivers/vdpa/alibaba/eni_vdpa.c
index 5a09a09cca70..cce3d1837104 100644
--- a/drivers/vdpa/alibaba/eni_vdpa.c
+++ b/drivers/vdpa/alibaba/eni_vdpa.c
@@ -497,7 +497,7 @@ static int eni_vdpa_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	if (!eni_vdpa->vring) {
 		ret = -ENOMEM;
 		ENI_ERR(pdev, "failed to allocate virtqueues\n");
-		goto err;
+		goto err_remove_vp_legacy;
 	}
 
 	for (i = 0; i < eni_vdpa->queues; i++) {
@@ -509,11 +509,13 @@ static int eni_vdpa_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	ret = vdpa_register_device(&eni_vdpa->vdpa, eni_vdpa->queues);
 	if (ret) {
 		ENI_ERR(pdev, "failed to register to vdpa bus\n");
-		goto err;
+		goto err_remove_vp_legacy;
 	}
 
 	return 0;
 
+err_remove_vp_legacy:
+	vp_legacy_remove(&eni_vdpa->ldev);
 err:
 	put_device(&eni_vdpa->vdpa.dev);
 	return ret;
-- 
2.34.1