From 4c5be8deb22752fad56cff9dd7b35e8d09e3042d Mon Sep 17 00:00:00 2001
From: Andre Noll <maan@tuebingen.mpg.de>
Date: Fri, 21 Apr 2017 20:30:12 +0200
Subject: [PATCH] vss: Add an assertion for vsst->header_buf.
if vsst->header_len > 0 but vsst->header_buf is NULL, something weird
is going on and non-obvious bad things will happen later. The assertion
makes sure we notice early that there is a problem. It also silences a
scan-build warning.
---
vss.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/vss.c b/vss.c
index 24dfc6bb..32e36a99 100644
--- a/vss.c
+++ b/vss.c
@@ -362,6 +362,7 @@ static void vss_get_chunk(int chunk_num, struct vss_task *vsst,
* rather than the unmodified header (chunk zero).
*/
if (chunk_num == 0 && vsst->header_len > 0) {
+ assert(vsst->header_buf);
*buf = vsst->header_buf; /* stripped header */
*sz = vsst->header_len;
return;
--
2.39.5