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Diffstat (limited to 'kernel')
-rw-r--r--kernel/acct.c2
-rw-r--r--kernel/cgroup.c6
-rw-r--r--kernel/events/core.c2
-rw-r--r--kernel/fork.c2
-rw-r--r--kernel/irq/proc.c2
-rw-r--r--kernel/module.c2
-rw-r--r--kernel/nsproxy.c2
-rw-r--r--kernel/relay.c4
-rw-r--r--kernel/sys.c8
-rw-r--r--kernel/sysctl_binary.c39
10 files changed, 22 insertions, 47 deletions
diff --git a/kernel/acct.c b/kernel/acct.c
index e8b1627ab9c7..b9bd7f098ee5 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -205,7 +205,7 @@ static int acct_on(struct filename *pathname)
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 b5c64327e712..fb2fb11fbb25 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2645,7 +2645,7 @@ static struct dentry *cgroup_lookup(struct inode *dir, struct dentry *dentry, un
*/
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);
}
@@ -3902,7 +3902,7 @@ static int cgroup_write_event_control(struct cgroup *cgrp, struct cftype *cft,
/* 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;
@@ -5489,7 +5489,7 @@ struct cgroup_subsys_state *cgroup_css_from_dir(struct file *f, int id)
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 5c75791d7269..ccc457e36354 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -3691,7 +3691,7 @@ unlock:
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 4133876d8cd2..8f62b2a0f120 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -413,7 +413,7 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
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 4bd4faa6323a..397db02209ed 100644
--- a/kernel/irq/proc.c
+++ b/kernel/irq/proc.c
@@ -76,7 +76,7 @@ static int irq_affinity_list_proc_show(struct seq_file *m, void *v)
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/module.c b/kernel/module.c
index 921bed4794e9..0925c9a71975 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2541,7 +2541,7 @@ static int copy_module_from_fd(int fd, struct load_info *info)
if (err)
goto out;
- err = vfs_getattr(file->f_vfsmnt, file->f_dentry, &stat);
+ err = vfs_getattr(&file->f_path, &stat);
if (err)
goto out;
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index b781e66a8f2c..afc0456f227a 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -250,7 +250,7 @@ SYSCALL_DEFINE2(setns, int, fd, int, nstype)
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 e8cd2027abbd..01ab081ac53a 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -1139,7 +1139,7 @@ static ssize_t relay_file_read_subbufs(struct file *filp, loff_t *ppos,
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 @@ static ssize_t relay_file_read_subbufs(struct file *filp, loff_t *ppos,
*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 2e18d33ca775..e10566bee399 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -1794,14 +1794,14 @@ SYSCALL_DEFINE1(umask, int, mask)
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
@@ -1809,11 +1809,11 @@ static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd)
* 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;
diff --git a/kernel/sysctl_binary.c b/kernel/sysctl_binary.c
index b669ca1fa103..b25115e8c7f3 100644
--- a/kernel/sysctl_binary.c
+++ b/kernel/sysctl_binary.c
@@ -970,7 +970,6 @@ out:
static ssize_t bin_intvec(struct file *file,
void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
- mm_segment_t old_fs = get_fs();
ssize_t copied = 0;
char *buffer;
ssize_t result;
@@ -983,13 +982,10 @@ static ssize_t bin_intvec(struct file *file,
if (oldval && oldlen) {
unsigned __user *vec = oldval;
size_t length = oldlen / sizeof(*vec);
- loff_t pos = 0;
char *str, *end;
int i;
- set_fs(KERNEL_DS);
- result = vfs_read(file, buffer, BUFSZ - 1, &pos);
- set_fs(old_fs);
+ result = kernel_read(file, 0, buffer, BUFSZ - 1);
if (result < 0)
goto out_kfree;
@@ -1016,7 +1012,6 @@ static ssize_t bin_intvec(struct file *file,
if (newval && newlen) {
unsigned __user *vec = newval;
size_t length = newlen / sizeof(*vec);
- loff_t pos = 0;
char *str, *end;
int i;
@@ -1032,9 +1027,7 @@ static ssize_t bin_intvec(struct file *file,
str += snprintf(str, end - str, "%lu\t", value);
}
- set_fs(KERNEL_DS);
- result = vfs_write(file, buffer, str - buffer, &pos);
- set_fs(old_fs);
+ result = kernel_write(file, buffer, str - buffer, 0);
if (result < 0)
goto out_kfree;
}
@@ -1048,7 +1041,6 @@ out:
static ssize_t bin_ulongvec(struct file *file,
void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
- mm_segment_t old_fs = get_fs();
ssize_t copied = 0;
char *buffer;
ssize_t result;
@@ -1061,13 +1053,10 @@ static ssize_t bin_ulongvec(struct file *file,
if (oldval && oldlen) {
unsigned long __user *vec = oldval;
size_t length = oldlen / sizeof(*vec);
- loff_t pos = 0;
char *str, *end;
int i;
- set_fs(KERNEL_DS);
- result = vfs_read(file, buffer, BUFSZ - 1, &pos);
- set_fs(old_fs);
+ result = kernel_read(file, 0, buffer, BUFSZ - 1);
if (result < 0)
goto out_kfree;
@@ -1094,7 +1083,6 @@ static ssize_t bin_ulongvec(struct file *file,
if (newval && newlen) {
unsigned long __user *vec = newval;
size_t length = newlen / sizeof(*vec);
- loff_t pos = 0;
char *str, *end;
int i;
@@ -1110,9 +1098,7 @@ static ssize_t bin_ulongvec(struct file *file,
str += snprintf(str, end - str, "%lu\t", value);
}
- set_fs(KERNEL_DS);
- result = vfs_write(file, buffer, str - buffer, &pos);
- set_fs(old_fs);
+ result = kernel_write(file, buffer, str - buffer, 0);
if (result < 0)
goto out_kfree;
}
@@ -1126,19 +1112,15 @@ out:
static ssize_t bin_uuid(struct file *file,
void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
- mm_segment_t old_fs = get_fs();
ssize_t result, copied = 0;
/* Only supports reads */
if (oldval && oldlen) {
- loff_t pos = 0;
char buf[40], *str = buf;
unsigned char uuid[16];
int i;
- set_fs(KERNEL_DS);
- result = vfs_read(file, buf, sizeof(buf) - 1, &pos);
- set_fs(old_fs);
+ result = kernel_read(file, 0, buf, sizeof(buf) - 1);
if (result < 0)
goto out;
@@ -1174,18 +1156,14 @@ out:
static ssize_t bin_dn_node_address(struct file *file,
void __user *oldval, size_t oldlen, void __user *newval, size_t newlen)
{
- mm_segment_t old_fs = get_fs();
ssize_t result, copied = 0;
if (oldval && oldlen) {
- loff_t pos = 0;
char buf[15], *nodep;
unsigned long area, node;
__le16 dnaddr;
- set_fs(KERNEL_DS);
- result = vfs_read(file, buf, sizeof(buf) - 1, &pos);
- set_fs(old_fs);
+ result = kernel_read(file, 0, buf, sizeof(buf) - 1);
if (result < 0)
goto out;
@@ -1214,7 +1192,6 @@ static ssize_t bin_dn_node_address(struct file *file,
}
if (newval && newlen) {
- loff_t pos = 0;
__le16 dnaddr;
char buf[15];
int len;
@@ -1231,9 +1208,7 @@ static ssize_t bin_dn_node_address(struct file *file,
le16_to_cpu(dnaddr) >> 10,
le16_to_cpu(dnaddr) & 0x3ff);
- set_fs(KERNEL_DS);
- result = vfs_write(file, buf, len, &pos);
- set_fs(old_fs);
+ result = kernel_write(file, buf, len, 0);
if (result < 0)
goto out;
}
generated by cgit v1.2.3-58-ga151 (git 2.39.0) at 2024-11-30 07:46:09 +0000