A vfio-ccw bugfix: avoid freeing that which should not be freed.

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Merge tag 'vfio-ccw-20171109' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/vfio-ccw into features

Pull vfio-ccw update from Cornelia Huck:
"A vfio-ccw bugfix: avoid freeing that which should not be freed."
This commit is contained in:
Heiko Carstens 2017-11-10 18:54:11 +01:00
commit 22841cea1a
1 changed files with 2 additions and 0 deletions

View File

@ -332,6 +332,8 @@ static void ccwchain_cda_free(struct ccwchain *chain, int idx)
{
struct ccw1 *ccw = chain->ch_ccw + idx;
if (ccw_is_test(ccw) || ccw_is_noop(ccw) || ccw_is_tic(ccw))
return;
if (!ccw->count)
return;