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Date: Tue, 07 Apr 2015 19:43:15 +0800
From: Axel Lin <axel.lin@...ics.com>
To: Kishon Vijay Abraham I <kishon@...com>
Cc: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] phy: core: Fix error checking in (devm_)phy_optional_get
Don't pass valid pointer to PTR_ERR, use PTR_ERR(phy) only when
IS_ERR(phy) is true.
Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
drivers/phy/phy-core.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index 3791838f..f112fff 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -530,8 +530,10 @@ struct phy *phy_optional_get(struct device *dev, const char *string)
{
struct phy *phy = phy_get(dev, string);
- if (PTR_ERR(phy) == -ENODEV)
- phy = NULL;
+ if (IS_ERR(phy)) {
+ if (PTR_ERR(phy) == -ENODEV)
+ phy = NULL;
+ }
return phy;
}
@@ -584,8 +586,10 @@ struct phy *devm_phy_optional_get(struct device *dev, const char *string)
{
struct phy *phy = devm_phy_get(dev, string);
- if (PTR_ERR(phy) == -ENODEV)
- phy = NULL;
+ if (IS_ERR(phy)) {
+ if (PTR_ERR(phy) == -ENODEV)
+ phy = NULL;
+ }
return phy;
}
--
1.9.1
--
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