If the environment contains an entry like "=value" "\0" we should skip
this key/value. Otherwise, U-Boot will enter in an infinite loop.

Signed-off-by: Lucian Cojocar <cojo...@gmail.com>
---
 lib/hashtable.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/hashtable.c b/lib/hashtable.c
index 07ebfb2..8f5a6f8 100644
--- a/lib/hashtable.c
+++ b/lib/hashtable.c
@@ -870,6 +870,10 @@ int himport_r(struct hsearch_data *htab,
                *sp++ = '\0';   /* terminate value */
                ++dp;
 
+               /* skip this entry if the name is empty */
+               if (*name == 0)
+                       continue;
+
                /* Skip variables which are not supposed to be processed */
                if (!drop_var_from_set(name, nvars, localvars))
                        continue;
-- 
1.7.9.5

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