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22d4c291f5
The API surrounding refcount_t should be used in place of atomic_t when variables are being used as reference counters. It can potentially prevent reference counter overflows and use-after-free conditions. In the dm thin layer, one such example is tc->refcount. Change this from the atomic_t API to the refcount_t API to prevent mentioned conditions. Signed-off-by: John Pittman <jpittman@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com>
4462 lines
111 KiB
4462 lines
111 KiB