If multipath does not set flag MPATHF_RETAIN_ATTACHED_HW_HANDLER,
parse_path() would forget to free attached_handler_name when
successfully exit, resulting in memory leak.
Signed-off-by: Yufen Yu <yuyufen@xxxxxxxxxx>
---
drivers/md/dm-mpath.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 00e738c1222f..850a7c637a88 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -841,6 +841,8 @@ static int setup_scsi_dh(struct block_device *bdev, struct multipath *m,
m->hw_handler_name = *attached_handler_name;
*attached_handler_name = NULL;
}
+ } else {
+ kfree(*attached_handler_name);
}
if (m->hw_handler_name) {
--
2.16.2.dirty
--
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