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| author | Alexey Kardashevskiy <aik@ozlabs.ru> | 2018-10-02 06:22:31 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2018-12-20 14:59:03 +0300 |
| commit | 517ad4ae8aa93dccdb9a88c27257ecb421c9e848 (patch) | |
| tree | 0e1d6ad31313e7019b383580472832604b074f1a /crypto | |
| parent | fa1ada78897f282917594ba8eba220a54f87dabb (diff) | |
| download | linux-517ad4ae8aa93dccdb9a88c27257ecb421c9e848.tar.xz | |
vfio/spapr_tce: Get rid of possible infinite loop
As a part of cleanup, the SPAPR TCE IOMMU subdriver releases preregistered
memory. If there is a bug in memory release, the loop in
tce_iommu_release() becomes infinite; this actually happened to me.
This makes the loop finite and prints a warning on every failure to make
the code more bug prone.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'crypto')
0 files changed, 0 insertions, 0 deletions