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NTB: Fix range check on memory window index 

The range check must exclude the upper bound.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This commit is contained in:
Allen Hubbe 2015-08-31 09:31:00 -04:00 committed by Jon Mason
parent 2aa2a77a48
commit 9a07826f99
1 changed files with 1 additions and 1 deletions
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2
drivers/ntb/hw/intel/ntb_hw_intel.c
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@ -240,7 +240,7 @@ static inline int ndev_ignore_unsafe(struct intel_ntb_dev *ndev,
static int ndev_mw_to_bar(struct intel_ntb_dev *ndev, int idx)
{
if (idx < 0 || idx > ndev->mw_count)
if (idx < 0 || idx >= ndev->mw_count)
return -EINVAL;
return ndev->reg->mw_bar[idx];
}