linux-kernel - [PATCH] netdevice: add netdev

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-Id: <1434115829-22804-1-git-send-email-Jason@zx2c4.com>
Date:	Fri, 12 Jun 2015 15:30:29 +0200
From:	"Jason A. Donenfeld" <Jason@...c4.com>
To:	"David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	"Jason A. Donenfeld" <Jason@...c4.com>
Subject: [PATCH] netdevice: add netdev_pub helper function

Being able to utilize this makes much code a lot simpler and cleaner.
It's a nice convenience function.

Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
---
 include/linux/netdevice.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 05b9a69..f85be18 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1871,6 +1871,17 @@ static inline void *netdev_priv(const struct net_device *dev)
 	return (char *)dev + ALIGN(sizeof(struct net_device), NETDEV_ALIGN);
 }
 
+/**
+ * 	netdev_pub - access network device from private pointer
+ * 	@priv: private data pointer of network device
+ *
+ * Get network device from a network device private data pointer
+ */
+static inline struct net_device *netdev_pub(void *priv)
+{
+	return (struct net_device *)((char *)priv - ALIGN(sizeof(struct net_device), NETDEV_ALIGN));
+}
+
 /* Set the sysfs physical device reference for the network logical device
  * if set prior to registration will cause a symlink during initialization.
  */
-- 
2.4.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/