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nvme-auth: clear sensitive info right after authentication completes

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We don't want to keep authentication sensitive info in memory for unlimited
amount of time.

Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Sagi Grimberg
2022-11-13 13:24:15 +02:00
committed by Christoph Hellwig
parent e481fc0a37
commit 8d1c1904e9
1 changed files with 2 additions and 0 deletions
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2
drivers/nvme/host/auth.c
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@@ -912,6 +912,8 @@ int nvme_auth_wait(struct nvme_ctrl *ctrl, int qid)
mutex_unlock(&ctrl->dhchap_auth_mutex);
flush_work(&chap->auth_work);
ret = chap->error;
/* clear sensitive info */
nvme_auth_reset_dhchap(chap);
return ret;
}
mutex_unlock(&ctrl->dhchap_auth_mutex);