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s390/cio: Fix cleanup of pfn_array alloc failure 

If pfn_array_alloc fails somehow, we need to release the pfn_array_table
that was malloc'd earlier.

Signed-off-by: Eric Farman <farman@linux.ibm.com>
Message-Id: <20181109023937.96105-2-farman@linux.ibm.com>
Acked-by: Halil Pasic <pasic@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
Eric Farman 2018-11-09 03:39:28 +01:00 committed by Cornelia Huck
parent 55e93ecdc1
commit 806212f91c
1 changed files with 1 additions and 1 deletions
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2
drivers/s390/cio/vfio_ccw_cp.c
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@ -528,7 +528,7 @@ static int ccwchain_fetch_direct(struct ccwchain *chain,
ret = pfn_array_alloc_pin(pat->pat_pa, cp->mdev, ccw->cda, ccw->count);
if (ret < 0)
goto out_init;
goto out_unpin;
/* Translate this direct ccw to a idal ccw. */
idaws = kcalloc(ret, sizeof(*idaws), GFP_DMA | GFP_KERNEL);