diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cgroup.c | 3 | ||||
| -rw-r--r-- | kernel/fork.c | 1 | ||||
| -rw-r--r-- | kernel/nsproxy.c | 4 | ||||
| -rw-r--r-- | kernel/rwsem.c | 16 |
4 files changed, 4 insertions, 20 deletions
diff --git a/kernel/cgroup.c b/kernel/cgroup.c index 2731d11..e1c72c0 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -3542,7 +3542,8 @@ static int cgroup_write_event_control(struct cgroup *cgrp, struct cftype *cft, } /* the process need read permission on control file */ - ret = file_permission(cfile, MAY_READ); + /* AV: shouldn't we check that it's been opened for read instead? */ + ret = inode_permission(cfile->f_path.dentry->d_inode, MAY_READ); if (ret < 0) goto fail; diff --git a/kernel/fork.c b/kernel/fork.c index ca339c5..aeae5b1 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -1585,6 +1585,7 @@ void __init proc_caches_init(void) SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK, NULL); vm_area_cachep = KMEM_CACHE(vm_area_struct, SLAB_PANIC); mmap_init(); + nsproxy_cache_init(); } /* diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c index d6a00f3..9aeab4b 100644 --- a/kernel/nsproxy.c +++ b/kernel/nsproxy.c @@ -271,10 +271,8 @@ out: return err; } -static int __init nsproxy_cache_init(void) +int __init nsproxy_cache_init(void) { nsproxy_cachep = KMEM_CACHE(nsproxy, SLAB_PANIC); return 0; } - -module_init(nsproxy_cache_init); diff --git a/kernel/rwsem.c b/kernel/rwsem.c index cae050b..176e5e5 100644 --- a/kernel/rwsem.c +++ b/kernel/rwsem.c @@ -117,15 +117,6 @@ void down_read_nested(struct rw_semaphore *sem, int subclass) EXPORT_SYMBOL(down_read_nested); -void down_read_non_owner(struct rw_semaphore *sem) -{ - might_sleep(); - - __down_read(sem); -} - -EXPORT_SYMBOL(down_read_non_owner); - void down_write_nested(struct rw_semaphore *sem, int subclass) { might_sleep(); @@ -136,13 +127,6 @@ void down_write_nested(struct rw_semaphore *sem, int subclass) EXPORT_SYMBOL(down_write_nested); -void up_read_non_owner(struct rw_semaphore *sem) -{ - __up_read(sem); -} - -EXPORT_SYMBOL(up_read_non_owner); - #endif |