crypto: picoxcell - fix possible invalid pointer dereference

The completion callback will free the request so we must remove it from
the completion list before calling the callback.

Cc: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Jamie Iles <jamie@jamieiles.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/crypto/picoxcell_crypto.c b/drivers/crypto/picoxcell_crypto.c
index 017340c3b715..a2b553eabbdb 100644
--- a/drivers/crypto/picoxcell_crypto.c
+++ b/drivers/crypto/picoxcell_crypto.c
@@ -1242,8 +1242,8 @@ static void spacc_spacc_complete(unsigned long data)
         spin_unlock_irqrestore(&engine->hw_lock, flags);
 
         list_for_each_entry_safe(req, tmp, &completed, list) {
-                req->complete(req);
                 list_del(&req->list);
+                req->complete(req);
         }
 }