+ vfs-remove-redundant-position-check-in-do_sendfile.patch added to -mm tree

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The patch titled
     vfs: remove redundant position check in do_sendfile
has been added to the -mm tree.  Its filename is
     vfs-remove-redundant-position-check-in-do_sendfile.patch

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*** Remember to use Documentation/SubmitChecklist when testing your code ***

See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this

The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/

------------------------------------------------------
Subject: vfs: remove redundant position check in do_sendfile
From: Jeff Layton <jlayton@xxxxxxxxxx>

As Johannes Weiner pointed out, one of the range checks in do_sendfile
is redundant and is already checked in rw_verify_area.

Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxx>
Reviewed-by: Johannes Weiner <hannes@xxxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Robert Love <rlove@xxxxxxxxxx>
Cc: Mandeep Singh Baines <msb@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 fs/read_write.c |    3 ---
 1 file changed, 3 deletions(-)

diff -puN fs/read_write.c~vfs-remove-redundant-position-check-in-do_sendfile fs/read_write.c
--- a/fs/read_write.c~vfs-remove-redundant-position-check-in-do_sendfile
+++ a/fs/read_write.c
@@ -839,9 +839,6 @@ static ssize_t do_sendfile(int out_fd, i
 		max = min(in_inode->i_sb->s_maxbytes, out_inode->i_sb->s_maxbytes);
 
 	pos = *ppos;
-	retval = -EINVAL;
-	if (unlikely(pos < 0))
-		goto fput_out;
 	if (unlikely(pos + count > max)) {
 		retval = -EOVERFLOW;
 		if (pos >= max)
_

Patches currently in -mm which might be from jlayton@xxxxxxxxxx are

origin.patch
vfs-make-get_sb_pseudo-set-s_maxbytes-to-value-that-can-be-cast-to-signed.patch
vfs-remove-redundant-position-check-in-do_sendfile.patch
vfs-change-sb-s_maxbytes-to-a-loff_t.patch

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