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

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@benyossef.com Cc: stable@vger.kernel.org # 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);