From: Andrzej Hajda <a.hajda@samsung.com>
Date: Mon, 21 Sep 2015 13:33:50 +0000 (+0200)
Subject: net/ibm/emac: fix type of phy_mode
X-Git-Tag: v4.4-rc1~141^2~300
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=7d2fa71048b85c29a3265a6ed3fae3a568aae49e;p=linux.git

net/ibm/emac: fix type of phy_mode

phy_mode can be negative.

The problem has been detected using proposed semantic patch
scripts/coccinelle/tests/unsigned_lesser_than_zero.cocci [1].

[1]: http://permalink.gmane.org/gmane.linux.kernel/2038576

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/ibm/emac/core.h b/drivers/net/ethernet/ibm/emac/core.h
index 28df37420da9..f379e474ba7c 100644
--- a/drivers/net/ethernet/ibm/emac/core.h
+++ b/drivers/net/ethernet/ibm/emac/core.h
@@ -181,7 +181,7 @@ struct emac_instance {
 	struct mal_commac		commac;
 
 	/* PHY infos */
-	u32				phy_mode;
+	int				phy_mode;
 	u32				phy_map;
 	u32				phy_address;
 	u32				phy_feat_exc;