[PATCH v3 28/33] staging: rtl8192e: Replace ?: with max

[Mateusz Kulikowski <mateusz.kulikowski@gmail.com>]

Warninig is printed if precision is lost - it can't happen at moment as
all get_key implementations return either -1 or small buffers.

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
---
 drivers/staging/rtl8192e/rtllib_wx.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/rtl8192e/rtllib_wx.c b/drivers/staging/rtl8192e/rtllib_wx.c
index 2ac1617..22bea5a 100644
--- a/drivers/staging/rtl8192e/rtllib_wx.c
+++ b/drivers/staging/rtl8192e/rtllib_wx.c
@@ -510,7 +510,10 @@ int rtllib_wx_get_encode(struct rtllib_device *ieee,
 		return 0;
 	}
 	len = crypt->ops->get_key(keybuf, SCM_KEY_LEN, NULL, crypt->priv);
-	erq->length = (len >= 0 ? len : 0);
+	if (len > U16_MAX)
+		netdev_err(ieee->dev, "Too long key returned.\n");
+
+	erq->length = max(len, 0);
 
 	erq->flags |= IW_ENCODE_ENABLED;
 
-- 
1.8.4.1