[SCSI] mptfusion: mptctl panic when loading

Fix panic for when mptctl is loading at the same time
when one of the fusion llds (mptsas/mptfc/mptspi) is loading.

Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 6 insertions, 6 deletions

diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 43308df64623..10def27c1af5 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -678,19 +678,19 @@ int
 mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, int cb_idx)
 {
         MPT_ADAPTER     *ioc;
+        const struct pci_device_id *id;
 
-        if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) {
+        if (cb_idx < 1 || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS)
                 return -EINVAL;
-        }
 
         MptDeviceDriverHandlers[cb_idx] = dd_cbfunc;
 
         /* call per pci device probe entry point */
         list_for_each_entry(ioc, &ioc_list, list) {
-                if(dd_cbfunc->probe) {
-                        dd_cbfunc->probe(ioc->pcidev,
-                          ioc->pcidev->driver->id_table);
-                }
+                id = ioc->pcidev->driver ?
+                    ioc->pcidev->driver->id_table : NULL;
+                if (dd_cbfunc->probe)
+                        dd_cbfunc->probe(ioc->pcidev, id);
          }
 
         return 0;