IB/ipath: fix NULL dereference during cleanup

			} else

			} else

				ipath_dbg("irq is 0, not doing free_irq "

				ipath_dbg("irq is 0, not doing free_irq "

					  "for unit %u\n", dd->ipath_unit);

					  "for unit %u\n", dd->ipath_unit);

			dd->pcidev = NULL;

		}

			/*

			/*

		 * we check for NULL here, because it's outside the kregbase

			 * we check for NULL here, because it's outside

		 * check, and we need to call it after the free_irq.  Thus

			 * the kregbase check, and we need to call it

		 * it's possible that the function pointers were never

			 * after the free_irq.  Thus it's possible that

		 * initialized.

			 * the function pointers were never initialized.

			 */

			 */

			if (dd->ipath_f_cleanup)

			if (dd->ipath_f_cleanup)

				/* clean up chip-specific stuff */

				/* clean up chip-specific stuff */

				dd->ipath_f_cleanup(dd);

				dd->ipath_f_cleanup(dd);

			dd->pcidev = NULL;

		}

		spin_lock_irqsave(&ipath_devs_lock, flags);

		spin_lock_irqsave(&ipath_devs_lock, flags);

	}

	}