Cleanup memory usage properly

1 files changed, 7 insertions, 3 deletions

diff --git a/libbb/unarchive.c b/libbb/unarchive.c
index beb396929..e23acfff2 100644
--- a/libbb/unarchive.c
+++ b/libbb/unarchive.c
@@ -267,7 +267,9 @@ char *unarchive(FILE *src_stream, FILE *out_stream, file_header_t *(*get_headers
                         seek_sub_file(src_stream, file_entry->size);
                 }
                 free(file_entry->name); /* may be null, but doesn't matter */
-                free(file_entry->link_name);
+                if (file_entry->link_name) {
+                        free(file_entry->link_name);
+                }
                 free(file_entry);
         }
         return(buffer);
@@ -614,8 +616,10 @@ char *deb_extract(const char *package_filename, FILE *out_stream,
         fclose(deb_stream);
         fclose(uncompressed_stream);
         free(ared_file);
-        free(file_list[0]);
-        free(file_list);
+        if (filename != NULL) {
+                free(file_list[0]);
+                free(file_list);
+        }
         return(output_buffer);
 }
 #endif