crypto: nx - Add of_node_put() before return in 842

Each iteration of for_each_compatible_node puts the previous node, but
in the case of a return from the middle of the loop, there is no put,
thus causing a memory leak. Add an of_node_put before the return.
Issue found with Coccinelle.

Acked-by: Stewart Smith <stewart@linux.ibm.com>
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/nx/nx-842-powernv.c b/drivers/crypto/nx/nx-842-powernv.c
index e78ff5c..c037a24 100644 (file)
--- a/drivers/crypto/nx/nx-842-powernv.c
+++ b/drivers/crypto/nx/nx-842-powernv.c
@@ -1020,6 +1020,7 @@ static __init int nx842_powernv_init(void)
                ret = nx842_powernv_probe_vas(dn);
                if (ret) {
                        nx842_delete_coprocs();
+                       of_node_put(dn);
                        return ret;
                }
        }