From: Irvin Cote <irvincoteg@gmail.com>
Date: Wed, 8 Mar 2023 21:05:08 +0000 (-0300)
Subject: nvme-pci: fixing memory leak in probe teardown path
X-Git-Tag: v6.2.10~138
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=78f431e257f9245e9893298bcf993cca9996a7ba;p=thirdparty%2Fkernel%2Fstable.git

nvme-pci: fixing memory leak in probe teardown path

[ Upstream commit a61d265533b7fe0026a02a49916aa564ffe38e4c ]

In case the nvme_probe teardown path is triggered the ctrl ref count does
not reach 0 thus creating a memory leak upon failure of nvme_probe.

Signed-off-by: Irvin Cote <irvincoteg@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 29c902b9aecbd..c51ebbee8103e 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3126,6 +3126,7 @@ out_dev_unmap:
 	nvme_dev_unmap(dev);
 out_uninit_ctrl:
 	nvme_uninit_ctrl(&dev->ctrl);
+	nvme_put_ctrl(&dev->ctrl);
 	return result;
 }