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authorIngo Molnar <mingo@elte.hu>2009-06-11 17:55:42 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-11 17:55:42 +0200
commit940010c5a314a7bd9b498593bc6ba1718ac5aec5 (patch)
treed141e08ced08c40c6a8e3ab2cdecde5ff14e560f /ipc
parent8dc8e5e8bc0ce00b0f656bf972f67cd8a72759e5 (diff)
parent991ec02cdca33b03a132a0cacfe6f0aa0be9aa8d (diff)
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Merge branch 'linus' into perfcounters/core
Conflicts: arch/x86/kernel/irqinit.c arch/x86/kernel/irqinit_64.c arch/x86/kernel/traps.c arch/x86/mm/fault.c include/linux/sched.h kernel/exit.c
Diffstat (limited to 'ipc')
-rw-r--r--ipc/sem.c4
-rw-r--r--ipc/shm.c7
2 files changed, 7 insertions, 4 deletions
diff --git a/ipc/sem.c b/ipc/sem.c
index 16a2189e96f..87c2b641fd7 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -1290,8 +1290,8 @@ void exit_sem(struct task_struct *tsk)
int i;
rcu_read_lock();
- un = list_entry(rcu_dereference(ulp->list_proc.next),
- struct sem_undo, list_proc);
+ un = list_entry_rcu(ulp->list_proc.next,
+ struct sem_undo, list_proc);
if (&un->list_proc == &ulp->list_proc)
semid = -1;
else
diff --git a/ipc/shm.c b/ipc/shm.c
index faa46da99eb..42597160048 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -969,10 +969,13 @@ SYSCALL_DEFINE3(shmat, int, shmid, char __user *, shmaddr, int, shmflg)
SYSCALL_DEFINE1(shmdt, char __user *, shmaddr)
{
struct mm_struct *mm = current->mm;
- struct vm_area_struct *vma, *next;
+ struct vm_area_struct *vma;
unsigned long addr = (unsigned long)shmaddr;
- loff_t size = 0;
int retval = -EINVAL;
+#ifdef CONFIG_MMU
+ loff_t size = 0;
+ struct vm_area_struct *next;
+#endif
if (addr & ~PAGE_MASK)
return retval;