net/ibm/emac: fix type of phy_mode

Author: Andrzej Hajda <a.hajda@samsung.com>

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 
Signed-off-by: David S. Miller

---
 drivers/net/ethernet/ibm/emac/core.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 
diff --git a/drivers/net/ethernet/ibm/emac/core.h b/drivers/net/ethernet/ibm/emac/core.h
index 28df374..f379e47 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;

net/ibm/emac: fix type of phy_mode

qlambert

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