patch: fix double-free (bug 1120)

diff --git a/editors/patch.c b/editors/patch.c
index 8e885d0..d13b06a 100644 (file)
--- a/editors/patch.c
+++ b/editors/patch.c
@@ -214,6 +214,7 @@ int patch_main(int argc, char **argv)
                                                        bb_error_msg("hunk #%d FAILED at %d", hunk_count, hunk_offset_start);
                                                        hunk_error++;
                                                        free(patch_line);
+                                                       patch_line = NULL;
                                                        break;
                                                }
                                                free(src_line);