diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2016-02-22 22:19:10 +0000 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-02-29 09:35:14 +0100 |
| commit | 83f8ebd2eb459b21e8e74d43c75e1be666ec8b97 (patch) | |
| tree | 0b0c545fb6f64d4d935e55a9cc664a57a9b1f5d8 /arch | |
| parent | 4f089678d071781851c3b73c41e55a3765b6a5ee (diff) | |
perf/x86/intel/uncore: Add sanity checks for PCI dev package id
The storage array is size limited, but misses a sanity check
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Andi Kleen <andi.kleen@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Harish Chegondi <harish.chegondi@intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/20160222221010.929967806@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/events/intel/uncore.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/events/intel/uncore.c b/arch/x86/events/intel/uncore.c index 25e62037563e..42ea435e5ead 100644 --- a/arch/x86/events/intel/uncore.c +++ b/arch/x86/events/intel/uncore.c @@ -882,7 +882,7 @@ static int uncore_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id int phys_id, ret; phys_id = uncore_pcibus_to_physid(pdev->bus); - if (phys_id < 0) + if (phys_id < 0 || phys_id >= UNCORE_SOCKET_MAX) return -ENODEV; if (UNCORE_PCI_DEV_TYPE(id->driver_data) == UNCORE_EXTRA_PCI_DEV) { |