提交 07e07450 编写于 作者: L Linus Torvalds

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull more vfs fixes from Al Viro:
 "Regression fix from Geert + yet another open-coded kernel_read()"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  ecryptfs: don't open-code kernel_read()
  xtensa simdisk: Fix proc_create_data() conversion fallout
...@@ -217,7 +217,7 @@ static ssize_t proc_read_simdisk(struct file *file, char __user *buf, ...@@ -217,7 +217,7 @@ static ssize_t proc_read_simdisk(struct file *file, char __user *buf,
size_t size, loff_t *ppos) size_t size, loff_t *ppos)
{ {
struct simdisk *dev = PDE_DATA(file_inode(file)); struct simdisk *dev = PDE_DATA(file_inode(file));
char *s = dev->filename; const char *s = dev->filename;
if (s) { if (s) {
ssize_t n = simple_read_from_buffer(buf, size, ppos, ssize_t n = simple_read_from_buffer(buf, size, ppos,
s, strlen(s)); s, strlen(s));
...@@ -238,7 +238,7 @@ static ssize_t proc_write_simdisk(struct file *file, const char __user *buf, ...@@ -238,7 +238,7 @@ static ssize_t proc_write_simdisk(struct file *file, const char __user *buf,
if (tmp == NULL) if (tmp == NULL)
return -ENOMEM; return -ENOMEM;
if (copy_from_user(tmp, buffer, count)) { if (copy_from_user(tmp, buf, count)) {
err = -EFAULT; err = -EFAULT;
goto out_free; goto out_free;
} }
......
...@@ -232,17 +232,10 @@ int ecryptfs_read_lower(char *data, loff_t offset, size_t size, ...@@ -232,17 +232,10 @@ int ecryptfs_read_lower(char *data, loff_t offset, size_t size,
struct inode *ecryptfs_inode) struct inode *ecryptfs_inode)
{ {
struct file *lower_file; struct file *lower_file;
mm_segment_t fs_save;
ssize_t rc;
lower_file = ecryptfs_inode_to_private(ecryptfs_inode)->lower_file; lower_file = ecryptfs_inode_to_private(ecryptfs_inode)->lower_file;
if (!lower_file) if (!lower_file)
return -EIO; return -EIO;
fs_save = get_fs(); return kernel_read(lower_file, offset, data, size);
set_fs(get_ds());
rc = vfs_read(lower_file, data, size, &offset);
set_fs(fs_save);
return rc;
} }
/** /**
......
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