[PATCH 4/4] crypto: ccree: fix backlog memory leak

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Fix brown paper bag bug of not releasing backlog list item buffer
when backlog was consumed causing a memory leak when backlog is
used.

Signed-off-by: Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # v4.19+
---
 drivers/crypto/ccree/cc_request_mgr.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/crypto/ccree/cc_request_mgr.c b/drivers/crypto/ccree/cc_request_mgr.c
index 3ed3164820eb..a5606dc04b06 100644
--- a/drivers/crypto/ccree/cc_request_mgr.c
+++ b/drivers/crypto/ccree/cc_request_mgr.c
@@ -404,6 +404,7 @@ static void cc_proc_backlog(struct cc_drvdata *drvdata)
 		spin_lock(&mgr->bl_lock);
 		list_del(&bli->list);
 		--mgr->bl_len;
+		kfree(bli);
 	}
 
 	spin_unlock(&mgr->bl_lock);
-- 
2.23.0




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