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Diffstat (limited to 'ipc')
-rw-r--r--ipc/ipc_sysctl.c4
-rw-r--r--ipc/mq_sysctl.c4
-rw-r--r--ipc/mqueue.c23
-rw-r--r--ipc/sem.c6
4 files changed, 19 insertions, 18 deletions
diff --git a/ipc/ipc_sysctl.c b/ipc/ipc_sysctl.c
index ef313ecfb53a..8c62e443f78b 100644
--- a/ipc/ipc_sysctl.c
+++ b/ipc/ipc_sysctl.c
@@ -259,7 +259,9 @@ bool setup_ipc_sysctls(struct ipc_namespace *ns)
tbl[i].data = NULL;
}
- ns->ipc_sysctls = __register_sysctl_table(&ns->ipc_set, "kernel", tbl);
+ ns->ipc_sysctls = __register_sysctl_table(&ns->ipc_set,
+ "kernel", tbl,
+ ARRAY_SIZE(ipc_sysctls));
}
if (!ns->ipc_sysctls) {
kfree(tbl);
diff --git a/ipc/mq_sysctl.c b/ipc/mq_sysctl.c
index fbf6a8b93a26..ebb5ed81c151 100644
--- a/ipc/mq_sysctl.c
+++ b/ipc/mq_sysctl.c
@@ -109,7 +109,9 @@ bool setup_mq_sysctls(struct ipc_namespace *ns)
tbl[i].data = NULL;
}
- ns->mq_sysctls = __register_sysctl_table(&ns->mq_set, "fs/mqueue", tbl);
+ ns->mq_sysctls = __register_sysctl_table(&ns->mq_set,
+ "fs/mqueue", tbl,
+ ARRAY_SIZE(mq_sysctls));
}
if (!ns->mq_sysctls) {
kfree(tbl);
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 71881bddad25..ba8215ed663a 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -302,7 +302,7 @@ static struct inode *mqueue_get_inode(struct super_block *sb,
inode->i_mode = mode;
inode->i_uid = current_fsuid();
inode->i_gid = current_fsgid();
- inode->i_mtime = inode->i_ctime = inode->i_atime = current_time(inode);
+ inode->i_mtime = inode->i_atime = inode_set_ctime_current(inode);
if (S_ISREG(mode)) {
struct mqueue_inode_info *info;
@@ -596,7 +596,7 @@ static int mqueue_create_attr(struct dentry *dentry, umode_t mode, void *arg)
put_ipc_ns(ipc_ns);
dir->i_size += DIRENT_SIZE;
- dir->i_ctime = dir->i_mtime = dir->i_atime = current_time(dir);
+ dir->i_mtime = dir->i_atime = inode_set_ctime_current(dir);
d_instantiate(dentry, inode);
dget(dentry);
@@ -618,7 +618,7 @@ static int mqueue_unlink(struct inode *dir, struct dentry *dentry)
{
struct inode *inode = d_inode(dentry);
- dir->i_ctime = dir->i_mtime = dir->i_atime = current_time(dir);
+ dir->i_mtime = dir->i_atime = inode_set_ctime_current(dir);
dir->i_size -= DIRENT_SIZE;
drop_nlink(inode);
dput(dentry);
@@ -635,7 +635,8 @@ static int mqueue_unlink(struct inode *dir, struct dentry *dentry)
static ssize_t mqueue_read_file(struct file *filp, char __user *u_data,
size_t count, loff_t *off)
{
- struct mqueue_inode_info *info = MQUEUE_I(file_inode(filp));
+ struct inode *inode = file_inode(filp);
+ struct mqueue_inode_info *info = MQUEUE_I(inode);
char buffer[FILENT_SIZE];
ssize_t ret;
@@ -656,7 +657,7 @@ static ssize_t mqueue_read_file(struct file *filp, char __user *u_data,
if (ret <= 0)
return ret;
- file_inode(filp)->i_atime = file_inode(filp)->i_ctime = current_time(file_inode(filp));
+ inode->i_atime = inode_set_ctime_current(inode);
return ret;
}
@@ -1162,8 +1163,7 @@ static int do_mq_timedsend(mqd_t mqdes, const char __user *u_msg_ptr,
goto out_unlock;
__do_notify(info);
}
- inode->i_atime = inode->i_mtime = inode->i_ctime =
- current_time(inode);
+ inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
}
out_unlock:
spin_unlock(&info->lock);
@@ -1257,8 +1257,7 @@ static int do_mq_timedreceive(mqd_t mqdes, char __user *u_msg_ptr,
msg_ptr = msg_get(info);
- inode->i_atime = inode->i_mtime = inode->i_ctime =
- current_time(inode);
+ inode->i_atime = inode->i_mtime = inode_set_ctime_current(inode);
/* There is now free space in queue. */
pipelined_receive(&wake_q, info);
@@ -1396,7 +1395,7 @@ retry:
if (notification == NULL) {
if (info->notify_owner == task_tgid(current)) {
remove_notification(info);
- inode->i_atime = inode->i_ctime = current_time(inode);
+ inode->i_atime = inode_set_ctime_current(inode);
}
} else if (info->notify_owner != NULL) {
ret = -EBUSY;
@@ -1422,7 +1421,7 @@ retry:
info->notify_owner = get_pid(task_tgid(current));
info->notify_user_ns = get_user_ns(current_user_ns());
- inode->i_atime = inode->i_ctime = current_time(inode);
+ inode->i_atime = inode_set_ctime_current(inode);
}
spin_unlock(&info->lock);
out_fput:
@@ -1485,7 +1484,7 @@ static int do_mq_getsetattr(int mqdes, struct mq_attr *new, struct mq_attr *old)
f.file->f_flags &= ~O_NONBLOCK;
spin_unlock(&f.file->f_lock);
- inode->i_atime = inode->i_ctime = current_time(inode);
+ inode->i_atime = inode_set_ctime_current(inode);
}
spin_unlock(&info->lock);
diff --git a/ipc/sem.c b/ipc/sem.c
index 00f88aa01ac5..a39cdc7bf88f 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -152,7 +152,7 @@ struct sem_undo {
struct list_head list_id; /* per semaphore array list:
* all undos for one array */
int semid; /* semaphore set identifier */
- short *semadj; /* array of adjustments */
+ short semadj[]; /* array of adjustments */
/* one per semaphore */
};
@@ -1938,8 +1938,7 @@ static struct sem_undo *find_alloc_undo(struct ipc_namespace *ns, int semid)
rcu_read_unlock();
/* step 2: allocate new undo structure */
- new = kvzalloc(sizeof(struct sem_undo) + sizeof(short)*nsems,
- GFP_KERNEL_ACCOUNT);
+ new = kvzalloc(struct_size(new, semadj, nsems), GFP_KERNEL_ACCOUNT);
if (!new) {
ipc_rcu_putref(&sma->sem_perm, sem_rcu_free);
return ERR_PTR(-ENOMEM);
@@ -1967,7 +1966,6 @@ static struct sem_undo *find_alloc_undo(struct ipc_namespace *ns, int semid)
goto success;
}
/* step 5: initialize & link new undo structure */
- new->semadj = (short *) &new[1];
new->ulp = ulp;
new->semid = semid;
assert_spin_locked(&ulp->lock);