commit b229234e62efcc9119fc7b321ca1e3846d678b12
from: Stefan Sperling <stsp@stsp.name>
date: Sat Oct 17 01:13:57 2020 UTC

fix missing allocaion failure check in diff_algo_patience()

commit - 7187fe972091ffb934d90ab11967d006868f8d7c
commit + b229234e62efcc9119fc7b321ca1e3846d678b12
blob - ce30d7edc9df8f722c837f476d478fa55ee9617b
blob + ab51ce7a36d7cfb1b9e50d047239e9b760dba83b
--- lib/diff_patience.c
+++ lib/diff_patience.c
@@ -363,6 +363,8 @@ diff_algo_patience(const struct diff_algo_config *algo
 		atom_pointers = recallocarray(NULL, 0, unique_in_both_count * 2,
 					      sizeof(struct diff_atom*));
 
+		if (atom_pointers == NULL)
+			return ENOMEM;
 		/* Half for the list of atoms that still need to be put on
 		 * stacks */
 		struct diff_atom **uniques = atom_pointers;