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vfs: remove redundant position check in do_sendfile

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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 <[email protected]>
Reviewed-by: Johannes Weiner <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Robert Love <[email protected]>
Cc: Mandeep Singh Baines <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Jeff Layton 2009-09-18 13:05:53 -07:00 • committed by Al Viro
commit f9098980ff
1 changed files with 0 additions and 3 deletions
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3
fs/read_write.c
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@ -839,9 +839,6 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,
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)