From: Steffen Maier maier@linux.ibm.com
commit d27e5e07f9c49bf2a6a4ef254ce531c1b4fb5a38 upstream.
With this early return due to zfcp_unit child(ren), we don't use the zfcp_port reference from the earlier zfcp_get_port_by_wwpn() anymore and need to put it.
Signed-off-by: Steffen Maier maier@linux.ibm.com Fixes: d99b601b6338 ("[SCSI] zfcp: restore refcount check on port_remove") Cc: stable@vger.kernel.org #3.7+ Reviewed-by: Jens Remus jremus@linux.ibm.com Reviewed-by: Benjamin Block bblock@linux.ibm.com Signed-off-by: Martin K. Petersen martin.petersen@oracle.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/s390/scsi/zfcp_sysfs.c | 1 + 1 file changed, 1 insertion(+)
--- a/drivers/s390/scsi/zfcp_sysfs.c +++ b/drivers/s390/scsi/zfcp_sysfs.c @@ -264,6 +264,7 @@ static ssize_t zfcp_sysfs_port_remove_st if (atomic_read(&port->units) > 0) { retval = -EBUSY; mutex_unlock(&zfcp_sysfs_port_units_mutex); + put_device(&port->dev); /* undo zfcp_get_port_by_wwpn() */ goto out; } /* port is about to be removed, so no more unit_add */