linux-kernel - [PATCH] staging: gdm724x: Replace semaphore netlink with mutex

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Date:	Mon, 13 Jun 2016 19:59:20 +0530
From:	Binoy Jayan <binoy.jayan@...aro.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Arnd Bergmann <arnd@...db.de>, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org, Binoy Jayan <binoy.jayan@...aro.org>
Subject: [PATCH] staging: gdm724x: Replace semaphore netlink with mutex

Replace semaphore netlink_mutex with mutex. Semaphores are
going away in the future.

Signed-off-by: Binoy Jayan <binoy.jayan@...aro.org>
---
 drivers/staging/gdm724x/netlink_k.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/drivers/staging/gdm724x/netlink_k.c b/drivers/staging/gdm724x/netlink_k.c
index a0232e8..57db83d 100644
--- a/drivers/staging/gdm724x/netlink_k.c
+++ b/drivers/staging/gdm724x/netlink_k.c
@@ -21,13 +21,7 @@
 
 #include "netlink_k.h"
 
-#if defined(DEFINE_MUTEX)
-static DEFINE_MUTEX(netlink_mutex);
-#else
-static struct semaphore netlink_mutex;
-#define mutex_lock(x)		down(x)
-#define mutex_unlock(x)		up(x)
-#endif
+static struct mutex netlink_mutex;
 
 #define ND_MAX_GROUP		30
 #define ND_IFINDEX_LEN		sizeof(int)
@@ -96,9 +90,7 @@ struct sock *netlink_init(int unit,
 		.input  = netlink_rcv,
 	};
 
-#if !defined(DEFINE_MUTEX)
-	init_MUTEX(&netlink_mutex);
-#endif
+	mutex_init(&netlink_mutex);
 
 	sock = netlink_kernel_create(&init_net, unit, &cfg);
 
-- 
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