* Russ Cox ([email protected]) wrote:
> >coverity (id #971) found some dead code. In all error
> >cases ret is NULL, so we can remove the if statement.
> >
> >Signed-off-by: Eric Sesterhenn <[email protected]>
> >
> >--- linux-2.6.17-git11/fs/9p/vfs_inode.c.orig 2006-06-29
> >00:50:53.000000000 +0200
> >+++ linux-2.6.17-git11/fs/9p/vfs_inode.c 2006-06-29
> >00:51:11.000000000 +0200
> >@@ -386,9 +386,6 @@ v9fs_inode_from_fid(struct v9fs_session_
> >
> > error:
> > kfree(fcall);
> >- if (ret)
> >- iput(ret);
> >-
> > return ERR_PTR(err);
> > }
>
> What about when someone changes the code and does have ret != NULL here?
> This seems like reasonable defensive programming to me.
>
> Is the official LK policy that we can't have code that trips coverity
> checks like this?
If this is whats agreed upon I will no longer send patches for
such bugs, and mark them as ignore in the coverity system.
But I guess it makes also sense to remove unused code, because I
am not sure if gcc can figure out to remove it. In this case
the generated object file is 10 bytes smaller.
Eric
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