linux-kernel - [PATCH v7c 10/24] dyndbg: tighten ddebug_class

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Message-ID: <20231018170604.569042-11-jim.cromie@gmail.com>
Date:   Wed, 18 Oct 2023 11:05:50 -0600
From:   Jim Cromie <jim.cromie@...il.com>
To:     linux-kernel@...r.kernel.org, jbaron@...mai.com,
        gregkh@...uxfoundation.org, dri-devel@...ts.freedesktop.org,
        amd-gfx@...ts.freedesktop.org, intel-gvt-dev@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org
Cc:     lb@...ihalf.com, linux@...musvillemoes.dk, joe@...ches.com,
        mcgrof@...nel.org, daniel.vetter@...ll.ch, jani.nikula@...el.com,
        ville.syrjala@...ux.intel.com, seanpaul@...omium.org,
        robdclark@...il.com, groeck@...gle.com, yanivt@...gle.com,
        bleung@...gle.com, rostedt@...dmis.org, linux-doc@...r.kernel.org,
        Jim Cromie <jim.cromie@...il.com>
Subject: [PATCH v7c 10/24] dyndbg: tighten ddebug_class_name() 1st arg type

Change function's 1st arg-type, and deref in the caller.
The fn doesn't need any other fields in the struct.

no functional change.

Signed-off-by: Jim Cromie <jim.cromie@...il.com>
---
 lib/dynamic_debug.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index b07aab422604..8158943b350d 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -1117,12 +1117,12 @@ static void *ddebug_proc_next(struct seq_file *m, void *p, loff_t *pos)
 #define class_in_range(class_id, map)					\
 	(class_id >= map->base && class_id < map->base + map->length)
 
-static const char *ddebug_class_name(struct ddebug_iter *iter, struct _ddebug *dp)
+static const char *ddebug_class_name(struct ddebug_table *dt, struct _ddebug *dp)
 {
-	struct ddebug_class_map *map = iter->table->classes;
-	int i, nc = iter->table->num_classes;
+	struct ddebug_class_map *map = dt->classes;
+	int i;
 
-	for (i = 0; i < nc; i++, map++)
+	for (i = 0; i < dt->num_classes; i++, map++)
 		if (class_in_range(dp->class_id, map))
 			return map->class_names[dp->class_id - map->base];
 
@@ -1156,7 +1156,7 @@ static int ddebug_proc_show(struct seq_file *m, void *p)
 	seq_puts(m, "\"");
 
 	if (dp->class_id != _DPRINTK_CLASS_DFLT) {
-		class = ddebug_class_name(iter, dp);
+		class = ddebug_class_name(iter->table, dp);
 		if (class)
 			seq_printf(m, " class:%s", class);
 		else
-- 
2.41.0