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

2 files changed, 3 insertions, 10 deletions

diff --git a/arch/xtensa/platforms/iss/simdisk.c b/arch/xtensa/platforms/iss/simdisk.c
index 0345f43d34f3..fc3c91fd20f7 100644
--- a/arch/xtensa/platforms/iss/simdisk.c
+++ b/arch/xtensa/platforms/iss/simdisk.c
@@ -217,7 +217,7 @@ static ssize_t proc_read_simdisk(struct file *file, char __user *buf,
                         size_t size, loff_t *ppos)
 {
         struct simdisk *dev = PDE_DATA(file_inode(file));
-        char *s = dev->filename;
+        const char *s = dev->filename;
         if (s) {
                 ssize_t n = simple_read_from_buffer(buf, size, ppos,
                                                         s, strlen(s));
@@ -238,7 +238,7 @@ static ssize_t proc_write_simdisk(struct file *file, const char __user *buf,
 
         if (tmp == NULL)
                 return -ENOMEM;
-        if (copy_from_user(tmp, buffer, count)) {
+        if (copy_from_user(tmp, buf, count)) {
                 err = -EFAULT;
                 goto out_free;
         }
diff --git a/fs/ecryptfs/read_write.c b/fs/ecryptfs/read_write.c
index 6a160539cd23..09fe622274e4 100644
--- a/fs/ecryptfs/read_write.c
+++ b/fs/ecryptfs/read_write.c
@@ -232,17 +232,10 @@ int ecryptfs_read_lower(char *data, loff_t offset, size_t size,
                         struct inode *ecryptfs_inode)
 {
         struct file *lower_file;
-        mm_segment_t fs_save;
-        ssize_t rc;
-
         lower_file = ecryptfs_inode_to_private(ecryptfs_inode)->lower_file;
         if (!lower_file)
                 return -EIO;
-        fs_save = get_fs();
-        set_fs(get_ds());
-        rc = vfs_read(lower_file, data, size, &offset);
-        set_fs(fs_save);
-        return rc;
+        return kernel_read(lower_file, offset, data, size);
 }
 
 /**