mac80211: use kstrtoull return value

If kstrtoull() returns an error code (a value
smaller than zero), use it since it can be an
error other than -EINVAL.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c
index 99ce871bfcf920f9f0a6b11faa285964bd93b844..9b6afb3698f646077db0507960316b8fae7b4174 100644 (file)
--- a/net/mac80211/debugfs_netdev.c
+++ b/net/mac80211/debugfs_netdev.c
@@ -423,7 +423,7 @@ static ssize_t ieee80211_if_parse_tsf(
                }
                ret = kstrtoull(buf, 10, &tsf);
                if (ret < 0)
-                       return -EINVAL;
+                       return ret;
                if (tsf_is_delta)
                        tsf = drv_get_tsf(local, sdata) + tsf_is_delta * tsf;
                if (local->ops->set_tsf) {