_alpm_sync_prepare: fix unresolvable packages leak

If the user opted not to remove the unresolvable packages from the
transaction, the list was neither free'd nor saved to the transaction to
be free'd in trans_release.

Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/libalpm/sync.c b/lib/libalpm/sync.c
index fb133248..c6c50a46 100644
--- a/lib/libalpm/sync.c
+++ b/lib/libalpm/sync.c
@@ -460,6 +460,7 @@ int _alpm_sync_prepare(alpm_handle_t *handle, alpm_list_t **data)
 				/* pm_errno was set by resolvedeps, callback may have overwrote it */
 				handle->pm_errno = ALPM_ERR_UNSATISFIED_DEPS;
 				alpm_list_free(resolved);
+				alpm_list_free(unresolvable);
 				ret = -1;
 				goto cleanup;
 			}