pci/dmar: correct off-by-one error in dmar_fault()

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DMAR faults are recorded into a ring of "fault recording registers".
fault_index is a 0-based index into the ring. The code allows the
0-based fault_index to be equal to the total number of fault registers
available from the cap_num_fault_regs() macro, which causes access
beyond the last available register.

Signed-off-by Troy Heber <troy.heber@hp.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

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Troy Heber 2009-08-19 15:26:11 -06:00 • committed by David Woodhouse

parent 2ff729f544

commit 8211a7b585

1 changed files with 1 additions and 1 deletions

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drivers/pci/dmar.c

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