new helper: file_inode(file)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/kernel/acct.c b/kernel/acct.c
index 051e071..0d29813 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -205,7 +205,7 @@
if (IS_ERR(file))
return PTR_ERR(file);
- if (!S_ISREG(file->f_path.dentry->d_inode->i_mode)) {
+ if (!S_ISREG(file_inode(file)->i_mode)) {
filp_close(file, NULL);
return -EACCES;
}
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 4855892..4fe52b3 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2637,7 +2637,7 @@
*/
static inline struct cftype *__file_cft(struct file *file)
{
- if (file->f_dentry->d_inode->i_fop != &cgroup_file_operations)
+ if (file_inode(file)->i_fop != &cgroup_file_operations)
return ERR_PTR(-EINVAL);
return __d_cft(file->f_dentry);
}
@@ -3852,7 +3852,7 @@
/* the process need read permission on control file */
/* AV: shouldn't we check that it's been opened for read instead? */
- ret = inode_permission(cfile->f_path.dentry->d_inode, MAY_READ);
+ ret = inode_permission(file_inode(cfile), MAY_READ);
if (ret < 0)
goto fail;
@@ -5441,7 +5441,7 @@
struct inode *inode;
struct cgroup_subsys_state *css;
- inode = f->f_dentry->d_inode;
+ inode = file_inode(f);
/* check in cgroup filesystem dir */
if (inode->i_op != &cgroup_dir_inode_operations)
return ERR_PTR(-EBADF);
diff --git a/kernel/events/core.c b/kernel/events/core.c
index 301079d..3b10655 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -3682,7 +3682,7 @@
static int perf_fasync(int fd, struct file *filp, int on)
{
- struct inode *inode = filp->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(filp);
struct perf_event *event = filp->private_data;
int retval;
diff --git a/kernel/fork.c b/kernel/fork.c
index c535f33..4ff724f 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -413,7 +413,7 @@
tmp->vm_next = tmp->vm_prev = NULL;
file = tmp->vm_file;
if (file) {
- struct inode *inode = file->f_path.dentry->d_inode;
+ struct inode *inode = file_inode(file);
struct address_space *mapping = file->f_mapping;
get_file(file);
diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c
index 4bd4faa..397db02 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -76,7 +76,7 @@
static ssize_t write_irq_affinity(int type, struct file *file,
const char __user *buffer, size_t count, loff_t *pos)
{
- unsigned int irq = (int)(long)PDE(file->f_path.dentry->d_inode)->data;
+ unsigned int irq = (int)(long)PDE(file_inode(file))->data;
cpumask_var_t new_value;
int err;
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index 78e2ecb..c057104 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -251,7 +251,7 @@
return PTR_ERR(file);
err = -EINVAL;
- ei = PROC_I(file->f_dentry->d_inode);
+ ei = PROC_I(file_inode(file));
ops = ei->ns_ops;
if (nstype && (ops->type != nstype))
goto out;
diff --git a/kernel/relay.c b/kernel/relay.c
index e8cd202..01ab081 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -1139,7 +1139,7 @@
if (!desc->count)
return 0;
- mutex_lock(&filp->f_path.dentry->d_inode->i_mutex);
+ mutex_lock(&file_inode(filp)->i_mutex);
do {
if (!relay_file_read_avail(buf, *ppos))
break;
@@ -1159,7 +1159,7 @@
*ppos = relay_file_read_end_pos(buf, read_start, ret);
}
} while (desc->count && ret);
- mutex_unlock(&filp->f_path.dentry->d_inode->i_mutex);
+ mutex_unlock(&file_inode(filp)->i_mutex);
return desc->written;
}
diff --git a/kernel/sys.c b/kernel/sys.c
index 265b376..e3932ea 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1792,14 +1792,14 @@
static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd)
{
struct fd exe;
- struct dentry *dentry;
+ struct inode *inode;
int err;
exe = fdget(fd);
if (!exe.file)
return -EBADF;
- dentry = exe.file->f_path.dentry;
+ inode = file_inode(exe.file);
/*
* Because the original mm->exe_file points to executable file, make
@@ -1807,11 +1807,11 @@
* overall picture.
*/
err = -EACCES;
- if (!S_ISREG(dentry->d_inode->i_mode) ||
+ if (!S_ISREG(inode->i_mode) ||
exe.file->f_path.mnt->mnt_flags & MNT_NOEXEC)
goto exit;
- err = inode_permission(dentry->d_inode, MAY_EXEC);
+ err = inode_permission(inode, MAY_EXEC);
if (err)
goto exit;