[PATCH v6 57/57] dyndbg: fiddle with readback value on LEVEL_NAMES types

From: Jim Cromie
Date: Sun Sep 04 2022 - 17:47:00 EST


my test scripts were writing one val, reading back val+1

echo L3 > p_level_names
cat p_level_names
L4

fix this w a -1 offset.

Signed-off-by: Jim Cromie <jim.cromie@xxxxxxxxx>
---
lib/dynamic_debug.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 11fea1f818a7..7d458601a61b 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -830,6 +830,8 @@ int param_get_dyndbg_classes(char *buffer, const struct kernel_param *kp)
return scnprintf(buffer, PAGE_SIZE, "0x%lx\n", *dcp->bits);

case DD_CLASS_TYPE_LEVEL_NAMES:
+ return scnprintf(buffer, PAGE_SIZE, "%d\n", *dcp->lvl - 1);
+
case DD_CLASS_TYPE_LEVEL_NUM:
return scnprintf(buffer, PAGE_SIZE, "%d\n", *dcp->lvl);
default:
--
2.37.2