thodg/libgit2

diff --git a/src/rebase.c b/src/rebase.c
index 8078eed..cf3558d 100644
--- a/src/rebase.c
+++ b/src/rebase.c
@@ -576,6 +576,7 @@ static int rebase_init_operations(
 			continue;
 
 		operation = rebase_operation_alloc(rebase, GIT_REBASE_OPERATION_PICK, &id, NULL);
+		GITERR_CHECK_ALLOC(operation);
 	}
 
 	error = 0;