[PATCH] Use get_user for 64-bit read in sendfile64

[Jamie Lokier]

Patch: sendfile64_get_user-2.6.5
Requires: uaccess64-2.6.5-jl2

Use get_user instead of copy_from_user to read a loff_t.
Compiled output is identical on i386.

--- orig-2.6.5/fs/read_write.c	2004-04-14 08:29:43.000000000 +0100
+++ uaccess64-2.6.5/fs/read_write.c	2004-04-19 10:35:35.000000000 +0100
@@ -644,7 +644,7 @@
 	ssize_t ret;
 
 	if (offset) {
-		if (unlikely(copy_from_user(&pos, offset, sizeof(loff_t))))
+		if (unlikely(get_user(pos, offset)))
 			return -EFAULT;
 		ret = do_sendfile(out_fd, in_fd, &pos, count, 0);
 		if (unlikely(put_user(pos, offset)))
-
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