Patrick Steinhardt edc30691e5 refs: fix segfault when aborting empty transaction ... When cleaning up a transaction that has no updates queued, then the transaction's backend data will not have been allocated. We correctly handle this for the packed backend, where the cleanup function checks whether the backend data has been allocated at all -- if not, then there is nothing to clean up. For the files backend we do not check this and as a result will hit a segfault due to dereferencing a `NULL` pointer when cleaning up such a transaction. Fix the issue by checking whether `backend_data` is set in the files backend, too. Signed-off-by: Patrick Steinhardt <ps@pks.im> Signed-off-by: Junio C Hamano <gitster@pobox.com>		2020-03-30 10:34:11 -07:00
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files-backend.c	refs: fix segfault when aborting empty transaction	2020-03-30 10:34:11 -07:00
iterator.c
packed-backend.c	pack-refs: always refresh after taking the lock file	2019-08-02 09:59:05 -07:00
packed-backend.h
ref-cache.c
ref-cache.h
refs-internal.h	Fix spelling errors in code comments	2019-11-10 16:00:54 +09:00