master - coverity: check for dm_snprintf

[Zdenek Kabelac]

Gitweb:        http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=9e3a9eab0ebf06fb5...
Commit:        9e3a9eab0ebf06fb5ed969269e11cb9b31d033fa
Parent:        a9634e993a44760e164f0ed12aaeaa6903cc9a6e
Author:        Zdenek Kabelac 
AuthorDate:    Tue Feb 23 21:03:50 2016 +0100
Committer:     Zdenek Kabelac 
CommitterDate: Tue Feb 23 21:40:17 2016 +0100

coverity: check for dm_snprintf

Check return state like everywhere else.
---
 lib/report/report.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/lib/report/report.c b/lib/report/report.c
index ed6202c..bd7c163 100644
--- a/lib/report/report.c
+++ b/lib/report/report.c
@@ -1446,7 +1446,8 @@ static int _do_get_kernel_cache_settings_list(struct dm_pool *mem,
    	buf_len = strlen(key) + strlen(value) + 2;
    	if (!(buf = dm_pool_alloc(mem, buf_len)))
    		return_0;
-		dm_snprintf(buf, buf_len, "%s=%s", key, value);
+		if (dm_snprintf(buf, buf_len, "%s=%s", key, value) < 0)
+			return_0;
    	if (!str_list_add_no_dup_check(mem, result, buf))
    		return_0;
    }