master - toollib: clean up coverity issue

[David Teigland]

Gitweb:        http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=bf5d0a2651e199bf7...
Commit:        bf5d0a2651e199bf7f2b737ebcfd5bbe17878d0f
Parent:        c900cf7ed40e541fa8b2eeeb084c1061382e0b1e
Author:        David Teigland 
AuthorDate:    Tue Oct 4 16:25:32 2016 -0500
Committer:     David Teigland 
CommitterDate: Tue Oct 4 16:25:32 2016 -0500

toollib: clean up coverity issue

in processing duplicate pvs.
---
 tools/toollib.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/tools/toollib.c b/tools/toollib.c
index 9127d85..9763362 100644
--- a/tools/toollib.c
+++ b/tools/toollib.c
@@ -3264,9 +3264,12 @@ static int _process_duplicate_pvs(struct cmd_context *cmd,
    	 * Don't pass dev to lvmcache_info_from_pvid because we looking
    	 * for the chosen/preferred dev for this pvid.
    	 */
-		info = lvmcache_info_from_pvid(devl->dev->pvid, NULL, 0);
-		if (info)
-			vgname = lvmcache_vgname_from_info(info);
+		if (!(info = lvmcache_info_from_pvid(devl->dev->pvid, NULL, 0))) {
+			log_error(INTERNAL_ERROR "No info for pvid");
+			return_ECMD_FAILED;
+		}
+
+		vgname = lvmcache_vgname_from_info(info);
    	if (vgname)
    		vgid = lvmcache_vgid_from_vgname(cmd, vgname);
    	if (vgid)