PLIST_NODE_INIT (once used, only in -rt ATM) will fail when
CONFIG_DEBUG_PI_LIST is enabled as it then generates a &NULL
statement. This patch fixes the issue indirectly by turning
the _lock argument of PLIST_HEAD_INIT into a pointer and
adopting its users.
Signed-off-by: Jan Kiszka <[email protected]>
---
include/linux/plist.h | 4 ++--
include/linux/rtmutex.h | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
Index: linux-2.6.23.1-rt/include/linux/plist.h
===================================================================
--- linux-2.6.23.1-rt.orig/include/linux/plist.h
+++ linux-2.6.23.1-rt/include/linux/plist.h
@@ -99,13 +99,13 @@ struct plist_node {
/**
* PLIST_HEAD_INIT - static struct plist_head initializer
* @head: struct plist_head variable name
- * @_lock: lock to initialize for this list
+ * @_lock: lock * to initialize for this list
*/
#define PLIST_HEAD_INIT(head, _lock) \
{ \
.prio_list = LIST_HEAD_INIT((head).prio_list), \
.node_list = LIST_HEAD_INIT((head).node_list), \
- PLIST_HEAD_LOCK_INIT(&(_lock)) \
+ PLIST_HEAD_LOCK_INIT(_lock) \
}
/**
Index: linux-2.6.23.1-rt/include/linux/rtmutex.h
===================================================================
--- linux-2.6.23.1-rt.orig/include/linux/rtmutex.h
+++ linux-2.6.23.1-rt/include/linux/rtmutex.h
@@ -64,7 +64,7 @@ struct hrtimer_sleeper;
#define __RT_MUTEX_INITIALIZER(mutexname) \
{ .wait_lock = RAW_SPIN_LOCK_UNLOCKED(mutexname) \
- , .wait_list = PLIST_HEAD_INIT(mutexname.wait_list, mutexname.wait_lock) \
+ , .wait_list = PLIST_HEAD_INIT(mutexname.wait_list, &mutexname.wait_lock) \
, .owner = NULL \
__DEBUG_RT_MUTEX_INITIALIZER(mutexname)}
@@ -98,7 +98,7 @@ extern void rt_mutex_unlock(struct rt_mu
#ifdef CONFIG_RT_MUTEXES
# define INIT_RT_MUTEXES(tsk) \
- .pi_waiters = PLIST_HEAD_INIT(tsk.pi_waiters, tsk.pi_lock), \
+ .pi_waiters = PLIST_HEAD_INIT(tsk.pi_waiters, &tsk.pi_lock), \
INIT_RT_MUTEX_DEBUG(tsk)
#else
# define INIT_RT_MUTEXES(tsk)
-
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