aboutsummaryrefslogtreecommitdiffstats
path: root/fs/open.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/open.c')
-rw-r--r--fs/open.c39
1 files changed, 25 insertions, 14 deletions
diff --git a/fs/open.c b/fs/open.c
index dcbd01611237..df57d8ec38ae 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -65,6 +65,7 @@ int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs,
inode_unlock(dentry->d_inode);
return ret;
}
+EXPORT_SYMBOL_GPL(do_truncate);
long vfs_truncate(const struct path *path, loff_t length)
{
@@ -570,14 +571,19 @@ out_unlock:
return error;
}
+int vfs_fchmod(struct file *file, umode_t mode)
+{
+ audit_file(file);
+ return chmod_common(&file->f_path, mode);
+}
+
int ksys_fchmod(unsigned int fd, umode_t mode)
{
struct fd f = fdget(fd);
int err = -EBADF;
if (f.file) {
- audit_file(f.file);
- err = chmod_common(&f.file->f_path, mode);
+ err = vfs_fchmod(f.file, mode);
fdput(f);
}
return err;
@@ -708,23 +714,28 @@ SYSCALL_DEFINE3(lchown, const char __user *, filename, uid_t, user, gid_t, group
AT_SYMLINK_NOFOLLOW);
}
+int vfs_fchown(struct file *file, uid_t user, gid_t group)
+{
+ int error;
+
+ error = mnt_want_write_file(file);
+ if (error)
+ return error;
+ audit_file(file);
+ error = chown_common(&file->f_path, user, group);
+ mnt_drop_write_file(file);
+ return error;
+}
+
int ksys_fchown(unsigned int fd, uid_t user, gid_t group)
{
struct fd f = fdget(fd);
int error = -EBADF;
- if (!f.file)
- goto out;
-
- error = mnt_want_write_file(f.file);
- if (error)
- goto out_fput;
- audit_file(f.file);
- error = chown_common(&f.file->f_path, user, group);
- mnt_drop_write_file(f.file);
-out_fput:
- fdput(f);
-out:
+ if (f.file) {
+ error = vfs_fchown(f.file, user, group);
+ fdput(f);
+ }
return error;
}