linux-kernel - [PATCH] phy: Return NULL if the phy is optional

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Mon,  4 Sep 2017 14:53:13 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Kishon Vijay Abraham I <kishon@...com>
Cc:     linux-kernel@...r.kernel.org,
        Maxime Ripard <maxime.ripard@...e-electrons.com>
Subject: [PATCH] phy: Return NULL if the phy is optional

If we're trying to get a handle to an optional phy, then the phy framework
being disabled shouldn't return an hard error.

Instead, return NULL just like phy_optional_get does when there's no phy
provided in the DT.

Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
---
 include/linux/phy/phy.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h
index 78bb0d7f6b11..76487b8d74ea 100644
--- a/include/linux/phy/phy.h
+++ b/include/linux/phy/phy.h
@@ -289,7 +289,7 @@ static inline struct phy *devm_phy_get(struct device *dev, const char *string)
 static inline struct phy *devm_phy_optional_get(struct device *dev,
 						const char *string)
 {
-	return ERR_PTR(-ENOSYS);
+	return NULL;
 }
 
 static inline struct phy *devm_of_phy_get(struct device *dev,
-- 
2.13.5