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s390/cio: Fix how vfio-ccw checks pinned pages

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We have two nested loops to check the entries within the pfn_array_table
arrays.  But we mistakenly use the outer array as an index in our check,
and completely ignore the indexing performed by the inner loop.

Cc: [email protected]
Signed-off-by: Eric Farman <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Cornelia Huck <[email protected]>
This commit is contained in:
Eric Farman 2018-10-02 03:02:35 +02:00 • committed by Cornelia Huck
commit 24abf2901b
1 changed files with 1 additions and 1 deletions
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drivers/s390/cio/vfio_ccw_cp.c
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@ -163,7 +163,7 @@ static bool pfn_array_table_iova_pinned(struct pfn_array_table *pat,
for (i = 0; i < pat->pat_nr; i++, pa++)
for (j = 0; j < pa->pa_nr; j++)
if (pa->pa_iova_pfn[i] == iova_pfn)
if (pa->pa_iova_pfn[j] == iova_pfn)
return true;
return false;