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[PATCH for v4.9 LTS 06/86] net: phy: fix sign type error in genphy_config_eee_advert




From: jbrunet <jbrunet@xxxxxxxxxxxx>

[ Upstream commit 3bb9ab63276696988d8224f52db20e87194deb4b ]

In genphy_config_eee_advert, the return value of phy_read_mmd_indirect is
checked to know if the register could be accessed but the result is
assigned to a 'u32'.
Changing to 'int' to correctly get errors from phy_read_mmd_indirect.

Fixes: d853d145ea3e ("net: phy: add an option to disable EEE advertisement")
Reported-by: Julia Lawall <julia.lawall@xxxxxxx>
Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx>
---
 drivers/net/phy/phy_device.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
index b14fcf6e11f6..d9ec74895e42 100644
--- a/drivers/net/phy/phy_device.c
+++ b/drivers/net/phy/phy_device.c
@@ -1155,8 +1155,8 @@ static int genphy_config_advert(struct phy_device *phydev)
  */
 static int genphy_config_eee_advert(struct phy_device *phydev)
 {
-	u32 broken = phydev->eee_broken_modes;
-	u32 old_adv, adv;
+	int broken = phydev->eee_broken_modes;
+	int old_adv, adv;
 
 	/* Nothing to disable */
 	if (!broken)
-- 
2.11.0