[PATCH 6.1 018/591] nvme-auth: no need to reset chap contexts on re-authentication

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From: Sagi Grimberg <sagi@xxxxxxxxxxx>

[ Upstream commit e8a420efb637f52c586596283d6fd96f2a7ecb5c ]

Now that the chap context is reset upon completion, this is no longer
needed. Also remove nvme_auth_reset as no callers are left.

Reviewed-by: Hannes Reinecke <hare@xxxxxxx>
Signed-off-by: Sagi Grimberg <sagi@xxxxxxxxxxx>
Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Stable-dep-of: a836ca33c5b0 ("nvme-core: fix memory leak in dhchap_secret_store")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/nvme/host/auth.c | 13 -------------
 drivers/nvme/host/core.c |  4 ----
 drivers/nvme/host/nvme.h |  1 -
 3 files changed, 18 deletions(-)

diff --git a/drivers/nvme/host/auth.c b/drivers/nvme/host/auth.c
index 2f823c6b84fd3..1a27d7fb4fa91 100644
--- a/drivers/nvme/host/auth.c
+++ b/drivers/nvme/host/auth.c
@@ -920,19 +920,6 @@ int nvme_auth_wait(struct nvme_ctrl *ctrl, int qid)
 }
 EXPORT_SYMBOL_GPL(nvme_auth_wait);
 
-void nvme_auth_reset(struct nvme_ctrl *ctrl)
-{
-	struct nvme_dhchap_queue_context *chap;
-
-	mutex_lock(&ctrl->dhchap_auth_mutex);
-	list_for_each_entry(chap, &ctrl->dhchap_auth_list, entry) {
-		mutex_unlock(&ctrl->dhchap_auth_mutex);
-		flush_work(&chap->auth_work);
-		nvme_auth_reset_dhchap(chap);
-	}
-	mutex_unlock(&ctrl->dhchap_auth_mutex);
-}
-
 static void nvme_ctrl_auth_work(struct work_struct *work)
 {
 	struct nvme_ctrl *ctrl =
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index a7d9b5b42b388..b63511f481a7f 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -3832,8 +3832,6 @@ static ssize_t nvme_ctrl_dhchap_secret_store(struct device *dev,
 		host_key = ctrl->host_key;
 		ctrl->host_key = key;
 		nvme_auth_free_key(host_key);
-		/* Key has changed; re-authentication with new key */
-		nvme_auth_reset(ctrl);
 	}
 	/* Start re-authentication */
 	dev_info(ctrl->device, "re-authenticating controller\n");
@@ -3886,8 +3884,6 @@ static ssize_t nvme_ctrl_dhchap_ctrl_secret_store(struct device *dev,
 		ctrl_key = ctrl->ctrl_key;
 		ctrl->ctrl_key = key;
 		nvme_auth_free_key(ctrl_key);
-		/* Key has changed; re-authentication with new key */
-		nvme_auth_reset(ctrl);
 	}
 	/* Start re-authentication */
 	dev_info(ctrl->device, "re-authenticating controller\n");
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h
index 2aa514c3dfa17..5ed771d576c6d 100644
--- a/drivers/nvme/host/nvme.h
+++ b/drivers/nvme/host/nvme.h
@@ -1032,7 +1032,6 @@ void nvme_auth_init_ctrl(struct nvme_ctrl *ctrl);
 void nvme_auth_stop(struct nvme_ctrl *ctrl);
 int nvme_auth_negotiate(struct nvme_ctrl *ctrl, int qid);
 int nvme_auth_wait(struct nvme_ctrl *ctrl, int qid);
-void nvme_auth_reset(struct nvme_ctrl *ctrl);
 void nvme_auth_free(struct nvme_ctrl *ctrl);
 #else
 static inline void nvme_auth_init_ctrl(struct nvme_ctrl *ctrl) {};
-- 
2.39.2






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