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ext4: add __user decoration to calls of copy_{from,to}_user() 

This quiets the sparse noise:

warning: incorrect type in argument 2 (different address spaces)
   expected void const [noderef] <asn:1>*from
   got struct fstrim_range *<noident>
warning: incorrect type in argument 1 (different address spaces)
   expected void [noderef] <asn:1>*to
   got struct fstrim_range *<noident>

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
H Hartley Sweeten 2011-10-18 10:59:51 -04:00 committed by Theodore Ts'o
parent e0cbee3e14
commit e6705f7c25
1 changed files with 2 additions and 2 deletions
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4
fs/ext4/ioctl.c
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@ -350,7 +350,7 @@ mext_out:
return -EOPNOTSUPP;
}
if (copy_from_user(&range, (struct fstrim_range *)arg,
if (copy_from_user(&range, (struct fstrim_range __user *)arg,
sizeof(range)))
return -EFAULT;
@ -360,7 +360,7 @@ mext_out:
if (ret < 0)
return ret;
if (copy_to_user((struct fstrim_range *)arg, &range,
if (copy_to_user((struct fstrim_range __user *)arg, &range,
sizeof(range)))
return -EFAULT;