datapath: Drop useless WARN_ON_ONCE during flow conversion.

This checks whether key_len is not zero but we set the key length
at the beginning of the function, so I don't see this as a useful
check.

Signed-off-by: Jesse Gross <jesse@nicira.com>
Acked-by: Ben Pfaff <blp@nicira.com>

diff --git a/datapath/flow.c b/datapath/flow.c
index 95297a52ce5953493a21408adab503763ebd5089..9e0b842efb14c5b8cdec20a2716e852b595b5ce0 100644 (file)
--- a/datapath/flow.c
+++ b/datapath/flow.c
@@ -1143,7 +1143,6 @@ invalid:
        error = -EINVAL;
 
 ok:
-       WARN_ON_ONCE(!key_len && !error);
        *key_lenp = key_len;
        return error;
 }