New Coverity complaint about v5.10-rc3, resulting from 9fff3256f93d
("PCI: dwc: Restore ATU memory resource setup to use last entry").
I didn't try to figure out if this is real or a false positive, so
just FYI.
----- Forwarded message from scan-admin@xxxxxxxxxxxx -----
Date: Mon, 09 Nov 2020 11:13:37 +0000 (UTC)
From: scan-admin@xxxxxxxxxxxx
To: bjorn@xxxxxxxxxxx
Subject: New Defects reported by Coverity Scan for Linux
Message-ID: <5fa924618fb3b_a62932acac7322f5033088@xxxxxxxxxxxxxxxxxxxxxxxxx>
** CID 1469110: Null pointer dereferences (FORWARD_NULL)
/drivers/pci/controller/dwc/pcie-designware-host.c: 596 in dw_pcie_setup_rc()
________________________________________________________________________________________________________
*** CID 1469110: Null pointer dereferences (FORWARD_NULL)
/drivers/pci/controller/dwc/pcie-designware-host.c: 596 in dw_pcie_setup_rc()
590
591 /* Get last memory resource entry */
592 resource_list_for_each_entry(tmp, &pp->bridge->windows)
593 if (resource_type(tmp->res) == IORESOURCE_MEM)
594 entry = tmp;
595
>>> CID 1469110: Null pointer dereferences (FORWARD_NULL)
>>> Dereferencing null pointer "entry".
596 dw_pcie_prog_outbound_atu(pci, PCIE_ATU_REGION_INDEX0,
597 PCIE_ATU_TYPE_MEM, entry->res->start,
598 entry->res->start - entry->offset,
599 resource_size(entry->res));
600 if (pci->num_viewport > 2)
601 dw_pcie_prog_outbound_atu(pci, PCIE_ATU_REGION_INDEX2,
