crypto-fix-sparse-warnings

   1 ext4 crypto: fix sparse warnings in fs/ext4/ioctl.c
   2
   3 From: Fabian Frederick <fabf@skynet.be>
   4
   5 [ Added another sparse fix for EXT4_IOC_GET_ENCRYPTION_POLICY while
   6   we're at it. --tytso ]
   7
   8 Signed-off-by: Fabian Frederick <fabf@skynet.be>
   9 Signed-off-by: Theodore Ts'o <tytso@mit.edu>
  10 ---
  11  fs/ext4/ioctl.c | 6 +++---
  12  1 file changed, 3 insertions(+), 3 deletions(-)
  13
  14 diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c
  15 index 2cb9e17..7ce8582 100644
  16 --- a/fs/ext4/ioctl.c
  17 +++ b/fs/ext4/ioctl.c
  18 @@ -675,8 +675,8 @@ encryption_policy_out:
  19                         if (err)
  20                                 return err;
  21                 }
  22 -               if (copy_to_user((void *) arg, sbi->s_es->s_encrypt_pw_salt,
  23 -                                16))
  24 +               if (copy_to_user((void __user *) arg,
  25 +                                sbi->s_es->s_encrypt_pw_salt, 16))
  26                         return -EFAULT;
  27                 return 0;
  28         }
  29 @@ -690,7 +690,7 @@ encryption_policy_out:
  30                 err = ext4_get_policy(inode, &policy);
  31                 if (err)
  32                         return err;
  33 -               if (copy_to_user((void *)arg, &policy, sizeof(policy)))
  34 +               if (copy_to_user((void __user *)arg, &policy, sizeof(policy)))
  35                         return -EFAULT;
  36                 return 0;
  37  #else