[lvm-devel] [PATCH 06/30] Ensure we always have origin defined

[Zdenek Kabelac]

clang Logic error	Dereference of null pointer
Ensure the code path could not use origin == NULL because of internal
error in code.

Signed-off-by: Zdenek Kabelac <zkabelac at redhat.com>
---
 tools/lvcreate.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/tools/lvcreate.c b/tools/lvcreate.c
index de5b59c..a9e3c2d 100644
--- a/tools/lvcreate.c
+++ b/tools/lvcreate.c
@@ -179,6 +179,10 @@ static int _update_extents_params(struct volume_group *vg,
 					  lp->origin);
 				return 0;
 			}
+			if (!origin) {
+				log_error(INTERNAL_ERROR "Couldn't find origin volume.");
+				return 0;
+			}
 			lp->extents = lp->extents * origin->le_count / 100;
 			break;
 		case PERCENT_NONE:
-- 
1.7.3.1