[U-Boot] [PATCH] env: don't add an empty key to the env hashtable

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 cojocar@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;