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nvme: clear the request_queue pointers on failure in nvme_alloc_io_tag_set

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[ Upstream commit 6fbf13c0e2 ]

In nvme_alloc_io_tag_set(), the connect_q pointer should be set to NULL
in case of error to avoid potential invalid pointer dereferences.

Signed-off-by: Maurizio Lombardi <mlombard@redhat.com>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Maurizio Lombardi
2023-01-31 17:38:42 +01:00
committed by Greg Kroah-Hartman
parent 84ea5242b7
commit 53fb698a8a
1 changed files with 1 additions and 0 deletions
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drivers/nvme/host/core.c
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@@ -4933,6 +4933,7 @@ int nvme_alloc_io_tag_set(struct nvme_ctrl *ctrl, struct blk_mq_tag_set *set,
out_free_tag_set: out_free_tag_set:
blk_mq_free_tag_set(set); blk_mq_free_tag_set(set);
ctrl->connect_q = NULL;
return ret; return ret;
} }
EXPORT_SYMBOL_GPL(nvme_alloc_io_tag_set); EXPORT_SYMBOL_GPL(nvme_alloc_io_tag_set);