When I cat module parameter 'srpt_service_guid', it displays as follows. It is better to add a newline for easy reading. [root@hulk-202 ~]# cat /sys/module/ib_srpt/parameters/srpt_service_guid 0x0205cdfffe8346b9[root@hulk-202 ~]# Signed-off-by: Xiongfeng Wang <wangxiongfeng2@xxxxxxxxxx> --- drivers/infiniband/ulp/srpt/ib_srpt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c index 9855274..79b6341 100644 --- a/drivers/infiniband/ulp/srpt/ib_srpt.c +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c @@ -81,7 +81,7 @@ static int srpt_get_u64_x(char *buffer, const struct kernel_param *kp) { - return sprintf(buffer, "0x%016llx", *(u64 *)kp->arg); + return sprintf(buffer, "0x%016llx\n", *(u64 *)kp->arg); } module_param_call(srpt_service_guid, NULL, srpt_get_u64_x, &srpt_service_guid, 0444); -- 1.7.12.4