[PATCH] Fix null pointer dereference

[Joshua Rogers]

* sm/certchain.c: Correctly check return value of strpbrk to
make sure null pointer dereferences do not occur.

--

'strpbrk' may return NULL.

Signed-off-by: Joshua Rogers <git at internot.info>
---
 sm/certchain.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sm/certchain.c b/sm/certchain.c
index 5e632f7..f720207 100644
--- a/sm/certchain.c
+++ b/sm/certchain.c
@@ -411,7 +411,7 @@ check_cert_policy (ksba_cert_t cert, int listmode, estream_t fplist)
       for (allowed=line; spacep (allowed); allowed++)
         ;
       p = strpbrk (allowed, " :\n");
-      if (!*p || p == allowed)
+      if (!p || p == allowed)
         {
           fclose (fp);
           xfree (policies);
-- 
1.9.1