add ddebug_zpool_remove() to undo ddebug_zpool_add(), and call it from
ddebug_remove_module().
Signed-off-by: Jim Cromie <jim.cromie@xxxxxxxxx>
---
lib/dynamic_debug.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 049299027fb3..102f47b2a439 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -1007,6 +1007,18 @@ static void ddebug_zpool_add(struct _ddebug *dp)
zs_unmap_object(dd_callsite_zpool, handle);
}
+static void ddebug_zpool_remove(struct _ddebug *dp)
+{
+ if (dp->site) {
+ pr_warn("zhandle shouldnt be mapped now\n");
+ zs_unmap_object(dd_callsite_zpool, dp->zhandle);
+ }
+ if (!dp->zhandle)
+ pr_err("zhandle already cleared !\n");
+ else
+ zs_free(dd_callsite_zpool, dp->zhandle);
+}
+
/*
* Allocate a new ddebug_table for the given module
* and add it to the global list.
@@ -1104,6 +1116,13 @@ int ddebug_remove_module(const char *mod_name)
mutex_lock(&ddebug_lock);
list_for_each_entry_safe(dt, nextdt, &ddebug_tables, link) {
if (dt->mod_name == mod_name) {
+
+ unsigned int n = dt->num_ddebugs;
+ struct _ddebug *dp = dt->ddebugs;
+
+ for (; n; n--, dp++)
+ ddebug_zpool_remove(dp);
+
ddebug_table_free(dt);
ret = 0;
break;
--
2.26.2
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