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authorLinus Torvalds <torvalds@linux-foundation.org>2018-09-12 19:39:56 -1000
committerLinus Torvalds <torvalds@linux-foundation.org>2018-09-12 19:39:56 -1000
commit54eda9df17f3215b9ed16629ee71ea07413efdaf (patch)
treec052ee7a40c5e6ffdcc40bdf09da1c394940d9df /drivers/pci/switch/switchtec.c
parentd3bd5973c72e04f03539858b9149e6b604bfb51d (diff)
parent9d27e39d309c93025ae6aa97236af15bef2a5f1f (diff)
Merge tag 'pci-v4.19-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fixes from Bjorn Helgaas: - Add Tyrel Datwyler as maintainer for PPC64 RPA hotplug (Tyrel Datwyler) - Add Gustavo Pimentel as DesignWare PCI maintainer (Joao Pinto) - Fix a Switchtec Spectre v1 vulnerability (Gustavo A. R. Silva) - Revert an unnecessary Intel 300 ACS quirk (Mika Westerberg) - Fix pciehp hot-add/powerfault detection that left indicators in wrong state (Keith Busch) - Fix pci_reset_bus() logic error (Dennis Dalessandro) - Revert IB/hfi1 PCI reset change that caused a deadlock (Dennis Dalessandro) - Allow enabling PASID on Root Complex Integrated Endpoints (Felix Kuehling) * tag 'pci-v4.19-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: PCI: Fix enabling of PASID on RC integrated endpoints IB/hfi1,PCI: Allow bus reset while probing PCI: Fix faulty logic in pci_reset_bus() PCI: pciehp: Fix hot-add vs powerfault detection order switchtec: Fix Spectre v1 vulnerability Revert "PCI: Add ACS quirk for Intel 300 series" MAINTAINERS: Add Gustavo Pimentel as DesignWare PCI maintainer MAINTAINERS: Add entries for PPC64 RPA PCI hotplug drivers
Diffstat (limited to 'drivers/pci/switch/switchtec.c')
-rw-r--r--drivers/pci/switch/switchtec.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index 9940cc70f38b..54a8b30dda38 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -14,6 +14,8 @@
#include <linux/poll.h>
#include <linux/wait.h>
+#include <linux/nospec.h>
+
MODULE_DESCRIPTION("Microsemi Switchtec(tm) PCIe Management Driver");
MODULE_VERSION("0.1");
MODULE_LICENSE("GPL");
@@ -909,6 +911,8 @@ static int ioctl_port_to_pff(struct switchtec_dev *stdev,
default:
if (p.port > ARRAY_SIZE(pcfg->dsp_pff_inst_id))
return -EINVAL;
+ p.port = array_index_nospec(p.port,
+ ARRAY_SIZE(pcfg->dsp_pff_inst_id) + 1);
p.pff = ioread32(&pcfg->dsp_pff_inst_id[p.port - 1]);
break;
}