Commit 806212f9 authored Nov 09, 2018 by Eric Farman Committed by Cornelia Huck Nov 13, 2018

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>

parent 55e93ecd

drivers/s390/cio/vfio_ccw_cp.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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);

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