mkcompose: report close() errors

if the out_file is specified, make sure it is explicitly close()d and that possible errors are reported instead of being ignored. Signed-off-by: Giuseppe Scrivano <[email protected]>
giuseppe · Jul 30, 2024 · 76b4da5 · 76b4da5
1 parent 2d2c09d
commit 76b4da5
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/tools/mkcomposefs.c b/tools/mkcomposefs.c
@@ -1606,6 +1606,9 @@ int main(int argc, char **argv)
 		printf("%s\n", digest_str);
 	}
 
+	if (out_file && fclose(out_file) == EOF)
+		err(EXIT_FAILURE, "close output file");
+
 	lcfs_node_unref(root);
 	return 0;
 }