From a9cd1a673737dd81332fce1145801bfacfb90d90 Mon Sep 17 00:00:00 2001 From: Dmitry Monakhov Date: Mon, 27 Nov 2017 13:39:05 +0000 Subject: IB/core: Init subsys if compiled to vmlinuz-core Once infiniband is compiled as a core component its subsystem must be enabled before device initialization. Otherwise there is a NULL pointer dereference during mlx4_core init, calltrace: ->device_add if (dev->class) { deref dev->class->p =>NULLPTR #Config CONFIG_NET_DEVLINK=y CONFIG_MAY_USE_DEVLINK=y CONFIG_MLX4_EN=y Signed-off-by: Dmitry Monakhov Reviewed-by: Leon Romanovsky Signed-off-by: Jason Gunthorpe --- drivers/infiniband/core/device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 84fc32a2c8b3..5e1be4949d5f 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -1253,5 +1253,5 @@ static void __exit ib_core_cleanup(void) MODULE_ALIAS_RDMA_NETLINK(RDMA_NL_LS, 4); -module_init(ib_core_init); +subsys_initcall(ib_core_init); module_exit(ib_core_cleanup); -- cgit v1.2.3