Commit 8ccc9cc4 authored by Liang He's avatar Liang He Committed by Herbert Xu
Browse files

crypto: nx - Hold the reference returned by of_find_compatible_node 



In nx842_pseries_init(), we should hold the reference returned by
of_find_compatible_node() and use it to call of_node_put to keep
refcount balance.

Signed-off-by: default avatarLiang He <windhl@126.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 9984a644

drivers/crypto/nx/nx-common-pseries.c

+4 −1
Original line number Diff line number Diff line
@@ -1208,10 +1208,13 @@ static struct vio_driver nx842_vio_driver = { 
static int __init nx842_pseries_init(void)

{

	struct nx842_devdata *new_devdata;

	struct device_node *np;

	int ret;



	if (!of_find_compatible_node(NULL, NULL, "ibm,compression"))

	np = of_find_compatible_node(NULL, NULL, "ibm,compression");

	if (!np)

		return -ENODEV;

	of_node_put(np);



	RCU_INIT_POINTER(devdata, NULL);

	new_devdata = kzalloc(sizeof(*new_devdata), GFP_KERNEL);