alloc_dax_region() calls kref_init() on the dax_region early in the function, but the error path for sysfs_create_groups() failure uses kfree() directly to free the dax_region. This bypasses the kref lifecycle.
Use dax_region_put() instead to handle kref lifecycle correctly. Suggested-by: Jonathan Cameron <[email protected]> Signed-off-by: Smita Koralahalli <[email protected]> --- drivers/dax/bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c index c94c09622516..299134c9b294 100644 --- a/drivers/dax/bus.c +++ b/drivers/dax/bus.c @@ -668,7 +668,7 @@ struct dax_region *alloc_dax_region(struct device *parent, int region_id, }; if (sysfs_create_groups(&parent->kobj, dax_region_attribute_groups)) { - kfree(dax_region); + dax_region_put(dax_region); return NULL; } -- 2.17.1
