scsi: mpi3mr: Fix mpi3mr_hba_port memory leak in mpi3mr_remove()

[ Upstream commit d0f3c3728da8af76dfe435f7f0cfa2b9d9e43ef0 ]

Free mpi3mr_hba_port at .remove.

Fixes: 42fc9fee116f ("scsi: mpi3mr: Add helper functions to manage device's port")
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Link: https://lore.kernel.org/r/20230302234336.25456-4-thenzl@redhat.com
Acked-by: Sathya Prakash Veerichetty <sathya.prakash@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/scsi/mpi3mr/mpi3mr_os.c b/drivers/scsi/mpi3mr/mpi3mr_os.c
index 6eaeba4..5032b0b 100644 (file)
--- a/drivers/scsi/mpi3mr/mpi3mr_os.c
+++ b/drivers/scsi/mpi3mr/mpi3mr_os.c
@@ -5077,6 +5077,7 @@ static void mpi3mr_remove(struct pci_dev *pdev)
        struct workqueue_struct *wq;
        unsigned long flags;
        struct mpi3mr_tgt_dev *tgtdev, *tgtdev_next;
+       struct mpi3mr_hba_port *port, *hba_port_next;
 
        if (!shost)
                return;
@@ -5116,6 +5117,16 @@ static void mpi3mr_remove(struct pci_dev *pdev)
        mpi3mr_free_mem(mrioc);
        mpi3mr_cleanup_resources(mrioc);
 
+       spin_lock_irqsave(&mrioc->sas_node_lock, flags);
+       list_for_each_entry_safe(port, hba_port_next, &mrioc->hba_port_table_list, list) {
+               ioc_info(mrioc,
+                   "removing hba_port entry: %p port: %d from hba_port list\n",
+                   port, port->port_id);
+               list_del(&port->list);
+               kfree(port);
+       }
+       spin_unlock_irqrestore(&mrioc->sas_node_lock, flags);
+
        spin_lock(&mrioc_list_lock);
        list_del(&mrioc->list);
        spin_unlock(&mrioc_list_lock);