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Diffstat (limited to 'ipc')
-rw-r--r--ipc/mqueue.c22
-rw-r--r--ipc/msg.c34
-rw-r--r--ipc/sem.c26
-rw-r--r--ipc/shm.c44
-rw-r--r--ipc/util.c6
5 files changed, 70 insertions, 62 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 7635a1cf99f3..3aaea7ffd077 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -466,7 +466,7 @@ out_unlock:
static int mqueue_unlink(struct inode *dir, struct dentry *dentry)
{
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = d_inode(dentry);
dir->i_ctime = dir->i_mtime = dir->i_atime = CURRENT_TIME;
dir->i_size -= DIRENT_SIZE;
@@ -770,7 +770,7 @@ static struct file *do_open(struct path *path, int oflag)
if ((oflag & O_ACCMODE) == (O_RDWR | O_WRONLY))
return ERR_PTR(-EINVAL);
acc = oflag2acc[oflag & O_ACCMODE];
- if (inode_permission(path->dentry->d_inode, acc))
+ if (inode_permission(d_inode(path->dentry), acc))
return ERR_PTR(-EACCES);
return dentry_open(path, oflag, current_cred());
}
@@ -802,7 +802,7 @@ SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, umode_t, mode,
ro = mnt_want_write(mnt); /* we'll drop it in any case */
error = 0;
- mutex_lock(&root->d_inode->i_mutex);
+ mutex_lock(&d_inode(root)->i_mutex);
path.dentry = lookup_one_len(name->name, root, strlen(name->name));
if (IS_ERR(path.dentry)) {
error = PTR_ERR(path.dentry);
@@ -811,7 +811,7 @@ SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, umode_t, mode,
path.mnt = mntget(mnt);
if (oflag & O_CREAT) {
- if (path.dentry->d_inode) { /* entry already exists */
+ if (d_really_is_positive(path.dentry)) { /* entry already exists */
audit_inode(name, path.dentry, 0);
if (oflag & O_EXCL) {
error = -EEXIST;
@@ -824,12 +824,12 @@ SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, umode_t, mode,
goto out;
}
audit_inode_parent_hidden(name, root);
- filp = do_create(ipc_ns, root->d_inode,
+ filp = do_create(ipc_ns, d_inode(root),
&path, oflag, mode,
u_attr ? &attr : NULL);
}
} else {
- if (!path.dentry->d_inode) {
+ if (d_really_is_negative(path.dentry)) {
error = -ENOENT;
goto out;
}
@@ -848,7 +848,7 @@ out_putfd:
put_unused_fd(fd);
fd = error;
}
- mutex_unlock(&root->d_inode->i_mutex);
+ mutex_unlock(&d_inode(root)->i_mutex);
if (!ro)
mnt_drop_write(mnt);
out_putname:
@@ -873,7 +873,7 @@ SYSCALL_DEFINE1(mq_unlink, const char __user *, u_name)
err = mnt_want_write(mnt);
if (err)
goto out_name;
- mutex_lock_nested(&mnt->mnt_root->d_inode->i_mutex, I_MUTEX_PARENT);
+ mutex_lock_nested(&d_inode(mnt->mnt_root)->i_mutex, I_MUTEX_PARENT);
dentry = lookup_one_len(name->name, mnt->mnt_root,
strlen(name->name));
if (IS_ERR(dentry)) {
@@ -881,17 +881,17 @@ SYSCALL_DEFINE1(mq_unlink, const char __user *, u_name)
goto out_unlock;
}
- inode = dentry->d_inode;
+ inode = d_inode(dentry);
if (!inode) {
err = -ENOENT;
} else {
ihold(inode);
- err = vfs_unlink(dentry->d_parent->d_inode, dentry, NULL);
+ err = vfs_unlink(d_inode(dentry->d_parent), dentry, NULL);
}
dput(dentry);
out_unlock:
- mutex_unlock(&mnt->mnt_root->d_inode->i_mutex);
+ mutex_unlock(&d_inode(mnt->mnt_root)->i_mutex);
if (inode)
iput(inode);
mnt_drop_write(mnt);
diff --git a/ipc/msg.c b/ipc/msg.c
index a7261d5cbc89..2b6fdbb9e0e9 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -1015,22 +1015,24 @@ static int sysvipc_msg_proc_show(struct seq_file *s, void *it)
struct user_namespace *user_ns = seq_user_ns(s);
struct msg_queue *msq = it;
- return seq_printf(s,
- "%10d %10d %4o %10lu %10lu %5u %5u %5u %5u %5u %5u %10lu %10lu %10lu\n",
- msq->q_perm.key,
- msq->q_perm.id,
- msq->q_perm.mode,
- msq->q_cbytes,
- msq->q_qnum,
- msq->q_lspid,
- msq->q_lrpid,
- from_kuid_munged(user_ns, msq->q_perm.uid),
- from_kgid_munged(user_ns, msq->q_perm.gid),
- from_kuid_munged(user_ns, msq->q_perm.cuid),
- from_kgid_munged(user_ns, msq->q_perm.cgid),
- msq->q_stime,
- msq->q_rtime,
- msq->q_ctime);
+ seq_printf(s,
+ "%10d %10d %4o %10lu %10lu %5u %5u %5u %5u %5u %5u %10lu %10lu %10lu\n",
+ msq->q_perm.key,
+ msq->q_perm.id,
+ msq->q_perm.mode,
+ msq->q_cbytes,
+ msq->q_qnum,
+ msq->q_lspid,
+ msq->q_lrpid,
+ from_kuid_munged(user_ns, msq->q_perm.uid),
+ from_kgid_munged(user_ns, msq->q_perm.gid),
+ from_kuid_munged(user_ns, msq->q_perm.cuid),
+ from_kgid_munged(user_ns, msq->q_perm.cgid),
+ msq->q_stime,
+ msq->q_rtime,
+ msq->q_ctime);
+
+ return 0;
}
#endif
diff --git a/ipc/sem.c b/ipc/sem.c
index 92842113c6a9..d1a6edd17eba 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -2170,17 +2170,19 @@ static int sysvipc_sem_proc_show(struct seq_file *s, void *it)
sem_otime = get_semotime(sma);
- return seq_printf(s,
- "%10d %10d %4o %10u %5u %5u %5u %5u %10lu %10lu\n",
- sma->sem_perm.key,
- sma->sem_perm.id,
- sma->sem_perm.mode,
- sma->sem_nsems,
- from_kuid_munged(user_ns, sma->sem_perm.uid),
- from_kgid_munged(user_ns, sma->sem_perm.gid),
- from_kuid_munged(user_ns, sma->sem_perm.cuid),
- from_kgid_munged(user_ns, sma->sem_perm.cgid),
- sem_otime,
- sma->sem_ctime);
+ seq_printf(s,
+ "%10d %10d %4o %10u %5u %5u %5u %5u %10lu %10lu\n",
+ sma->sem_perm.key,
+ sma->sem_perm.id,
+ sma->sem_perm.mode,
+ sma->sem_nsems,
+ from_kuid_munged(user_ns, sma->sem_perm.uid),
+ from_kgid_munged(user_ns, sma->sem_perm.gid),
+ from_kuid_munged(user_ns, sma->sem_perm.cuid),
+ from_kgid_munged(user_ns, sma->sem_perm.cgid),
+ sem_otime,
+ sma->sem_ctime);
+
+ return 0;
}
#endif
diff --git a/ipc/shm.c b/ipc/shm.c
index 19633b4a2350..6d767071c367 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -1132,7 +1132,7 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr,
path = shp->shm_file->f_path;
path_get(&path);
shp->shm_nattch++;
- size = i_size_read(path.dentry->d_inode);
+ size = i_size_read(d_inode(path.dentry));
ipc_unlock_object(&shp->shm_perm);
rcu_read_unlock();
@@ -1342,25 +1342,27 @@ static int sysvipc_shm_proc_show(struct seq_file *s, void *it)
#define SIZE_SPEC "%21lu"
#endif
- return seq_printf(s,
- "%10d %10d %4o " SIZE_SPEC " %5u %5u "
- "%5lu %5u %5u %5u %5u %10lu %10lu %10lu "
- SIZE_SPEC " " SIZE_SPEC "\n",
- shp->shm_perm.key,
- shp->shm_perm.id,
- shp->shm_perm.mode,
- shp->shm_segsz,
- shp->shm_cprid,
- shp->shm_lprid,
- shp->shm_nattch,
- from_kuid_munged(user_ns, shp->shm_perm.uid),
- from_kgid_munged(user_ns, shp->shm_perm.gid),
- from_kuid_munged(user_ns, shp->shm_perm.cuid),
- from_kgid_munged(user_ns, shp->shm_perm.cgid),
- shp->shm_atim,
- shp->shm_dtim,
- shp->shm_ctim,
- rss * PAGE_SIZE,
- swp * PAGE_SIZE);
+ seq_printf(s,
+ "%10d %10d %4o " SIZE_SPEC " %5u %5u "
+ "%5lu %5u %5u %5u %5u %10lu %10lu %10lu "
+ SIZE_SPEC " " SIZE_SPEC "\n",
+ shp->shm_perm.key,
+ shp->shm_perm.id,
+ shp->shm_perm.mode,
+ shp->shm_segsz,
+ shp->shm_cprid,
+ shp->shm_lprid,
+ shp->shm_nattch,
+ from_kuid_munged(user_ns, shp->shm_perm.uid),
+ from_kgid_munged(user_ns, shp->shm_perm.gid),
+ from_kuid_munged(user_ns, shp->shm_perm.cuid),
+ from_kgid_munged(user_ns, shp->shm_perm.cgid),
+ shp->shm_atim,
+ shp->shm_dtim,
+ shp->shm_ctim,
+ rss * PAGE_SIZE,
+ swp * PAGE_SIZE);
+
+ return 0;
}
#endif
diff --git a/ipc/util.c b/ipc/util.c
index 106bed0378ab..ff3323ef8d8b 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -837,8 +837,10 @@ static int sysvipc_proc_show(struct seq_file *s, void *it)
struct ipc_proc_iter *iter = s->private;
struct ipc_proc_iface *iface = iter->iface;
- if (it == SEQ_START_TOKEN)
- return seq_puts(s, iface->header);
+ if (it == SEQ_START_TOKEN) {
+ seq_puts(s, iface->header);
+ return 0;
+ }
return iface->show(s, it);
}
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