When I cat ipmi_msghandler parameter 'panic_op' by sysfs, it displays as follows. It's better to add a newline for easy reading.
root@(none):/# cat /sys/module/ipmi_msghandler/parameters/panic_op noneroot@(none):/# Signed-off-by: Xiongfeng Wang <wangxiongfe...@huawei.com> --- drivers/char/ipmi/ipmi_msghandler.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index 737c0b6..6ebb549 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -89,19 +89,19 @@ static int panic_op_read_handler(char *buffer, const struct kernel_param *kp) { switch (ipmi_send_panic_event) { case IPMI_SEND_PANIC_EVENT_NONE: - strcpy(buffer, "none"); + strcpy(buffer, "none\n"); break; case IPMI_SEND_PANIC_EVENT: - strcpy(buffer, "event"); + strcpy(buffer, "event\n"); break; case IPMI_SEND_PANIC_EVENT_STRING: - strcpy(buffer, "string"); + strcpy(buffer, "string\n"); break; default: - strcpy(buffer, "???"); + strcpy(buffer, "???\n"); break; } -- 1.7.12.4