ext4: add __user decoration to calls of copy_{from,to}_user()
authorH Hartley Sweeten <hartleys@visionengravers.com>
Tue, 18 Oct 2011 14:59:51 +0000 (10:59 -0400)
committerTheodore Ts'o <tytso@mit.edu>
Tue, 18 Oct 2011 14:59:51 +0000 (10:59 -0400)
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>
fs/ext4/ioctl.c

index 8f7ea69054213b6ce3c52da6f21922d9cb9025cf..a56796814d6ab1a564af494e23b57871f2121692 100644 (file)
@@ -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;