NULL pointer check.

a7b27e84 · Simon Kelley · 529b0302 · a7b27e84
Commit a7b27e84 authored Mar 16, 2016 by Simon Kelley
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src/dnssec.c src/dnssec.c +1 -1

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--- a/src/dnssec.c
+++ b/src/dnssec.c
@@ -1791,7 +1791,7 @@ static int prove_non_existence_nsec3(struct dns_header *header, size_t plen, uns
    }
  while ((closest_encloser = strchr(closest_encloser, '.')));
  
-  if (!closest_encloser)
+  if (!closest_encloser || !next_closest)
    return 0;
  
  /* Look for NSEC3 that proves the non-existence of the next-closest encloser */