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nvme-loop: fix memory leak in nvme_loop_create_ctrl()

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[ Upstream commit 03504e3b54cc8118cc26c064e60a0b00c2308708 ]

When creating loop ctrl in nvme_loop_create_ctrl(), if nvme_init_ctrl()
fails, the loop ctrl should be freed before jumping to the "out" label.

Fixes: 3a85a5de29 ("nvme-loop: add a NVMe loopback host driver")
Signed-off-by: Wu Bo <wubo40@huawei.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Wu Bo 2021-05-19 13:01:10 +08:00 committed by Greg Kroah-Hartman
parent 4720f29acb
commit 9c980795cc
1 changed files with 3 additions and 1 deletions
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4
drivers/nvme/target/loop.c
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@ -578,8 +578,10 @@ static struct nvme_ctrl *nvme_loop_create_ctrl(struct device *dev,
ret = nvme_init_ctrl(&ctrl->ctrl, dev, &nvme_loop_ctrl_ops, ret = nvme_init_ctrl(&ctrl->ctrl, dev, &nvme_loop_ctrl_ops,
0 /* no quirks, we're perfect! */); 0 /* no quirks, we're perfect! */);
if (ret) if (ret) {
kfree(ctrl);
goto out; goto out;
}
if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING))
WARN_ON_ONCE(1); WARN_ON_ONCE(1);