diff options
| author | Jeff Layton <jlayton@redhat.com> | 2009-09-18 13:05:53 -0700 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2009-09-24 07:47:34 -0400 |
| commit | f9098980ffea9c749622ff8ddf3b6d5831902a46 (patch) | |
| tree | 043b5bbb89f394c5508534d67102e8a02f6f9c64 | |
| parent | 42cb56ae2ab67390da34906b27bedc3f2ff1393b (diff) | |
| download | lwn-f9098980ffea9c749622ff8ddf3b6d5831902a46.tar.gz lwn-f9098980ffea9c749622ff8ddf3b6d5831902a46.zip | |
vfs: remove redundant position check in do_sendfile
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@redhat.com>
Reviewed-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Robert Love <rlove@google.com>
Cc: Mandeep Singh Baines <msb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/read_write.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/fs/read_write.c b/fs/read_write.c index 6c8c55dec2bc..3ac28987f22a 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -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) |