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-rw-r--r--lib/libalpm/sync.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c
index fd48ef37..8c50ec88 100644
--- a/lib/libalpm/sync.c
+++ b/lib/libalpm/sync.c
@@ -439,9 +439,11 @@ int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **data)
}
}
- /* Unresolvable packages will be removed from the target list, so
- we free the transaction specific fields */
- alpm_list_free_inner(unresolvable, (alpm_list_fn_free)_alpm_pkg_free_trans);
+ /* Unresolvable packages will be removed from the target list; set these
+ * aside in the transaction as a list we won't operate on. If we free them
+ * before the end of the transaction, we may kill pointers the frontend
+ * holds to package objects. */
+ trans->unresolvable = unresolvable;
/* re-order w.r.t. dependencies */
alpm_list_free(trans->add);
@@ -508,7 +510,8 @@ int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **data)
_("removing '%s' from target list because it conflicts with '%s'\n"),
rsync->name, sync->name);
trans->add = alpm_list_remove(trans->add, rsync, _alpm_pkg_cmp, NULL);
- _alpm_pkg_free_trans(rsync); /* rsync is not transaction target anymore */
+ /* rsync is not a transaction target anymore */
+ trans->unresolvable = alpm_list_add(trans->unresolvable, rsync);
continue;
}
@@ -610,7 +613,6 @@ int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **data)
}
cleanup:
- alpm_list_free(unresolvable);
alpm_list_free(remove);
return ret;
@@ -1026,9 +1028,12 @@ static int load_packages(alpm_handle_t *handle, alpm_list_t **data,
continue;
}
free(filepath);
- pkgfile->reason = spkg->reason; /* copy over install reason */
+ /* copy over the install reason */
+ pkgfile->reason = spkg->reason;
i->data = pkgfile;
- _alpm_pkg_free_trans(spkg); /* spkg has been removed from the target list */
+ /* spkg has been removed from the target list, so we can free the
+ * sync-specific fields */
+ _alpm_pkg_free_trans(spkg);
}
PROGRESS(handle, ALPM_PROGRESS_LOAD_START, "", 100,