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 <[email protected]> --- 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 -- dm-devel mailing list [email protected] https://www.redhat.com/mailman/listinfo/dm-devel
