[PATCH v1] drivers:testing:Fix the NULL vs IS_ERR() bug for debugfs_create_dir()

From: Yang Ruibin
Date: Wed Aug 21 2024 - 23:05:27 EST


The debugfs_create_dir() function returns error pointers.
It never returns NULL. So use IS_ERR() to check it.

Signed-off-by: Yang Ruibin <11162571@xxxxxxxx>
---
drivers/thermal/testing/zone.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/testing/zone.c b/drivers/thermal/testing/zone.c
index fcee12b152da..26f0f80a6a5d 100644
--- a/drivers/thermal/testing/zone.c
+++ b/drivers/thermal/testing/zone.c
@@ -167,7 +167,7 @@ static void tt_add_tz_work_fn(struct work_struct *work)

snprintf(f_name, TT_MAX_FILE_NAME_LENGTH, "tz%d", tt_zone->id);
tt_zone->d_tt_zone = debugfs_create_dir(f_name, d_testing);
- if (!tt_zone->d_tt_zone) {
+ if (IS_ERR(tt_zone->d_tt_zone)) {
tt_zone_free(tt_zone);
return;
}
--
2.34.1