diff options
| -rw-r--r-- | drivers/md/dm-mpath.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c index 0caab4bf3515..6400cffb986d 100644 --- a/drivers/md/dm-mpath.c +++ b/drivers/md/dm-mpath.c @@ -850,18 +850,22 @@ retain: attached_handler_name = scsi_dh_attached_handler_name(q, GFP_KERNEL); if (attached_handler_name) { /* + * Clear any hw_handler_params associated with a + * handler that isn't already attached. + */ + if (m->hw_handler_name && strcmp(attached_handler_name, m->hw_handler_name)) { + kfree(m->hw_handler_params); + m->hw_handler_params = NULL; + } + + /* * Reset hw_handler_name to match the attached handler - * and clear any hw_handler_params associated with the - * ignored handler. * * NB. This modifies the table line to show the actual * handler instead of the original table passed in. */ kfree(m->hw_handler_name); m->hw_handler_name = attached_handler_name; - - kfree(m->hw_handler_params); - m->hw_handler_params = NULL; } } |