lib/util: Fix cppcheck null pointer dereference warning

lib/util/talloc_report.c:58: warning: nullPointer: Possible null pointer dereference: start <--[cppcheck]

Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andreas Schneider <asn@samba.org>

diff --git a/lib/util/talloc_report.c b/lib/util/talloc_report.c
index bed0fd91e43edd4d3f9902a24d3824f10f7be2bb..fb12a2f631c8944afd16f86f5d8cbca7ff660c33 100644 (file)
--- a/lib/util/talloc_report.c
+++ b/lib/util/talloc_report.c
@@ -52,6 +52,8 @@ static char *talloc_vasprintf_append_largebuf(char *buf, ssize_t *pstr_len,
        if (buflen > str_len) {
                start = buf + str_len;
                space = buflen - str_len;
+       } else {
+               return NULL;
        }
 
        va_copy(ap2, ap);