On Wed, Mar 23, 2011 at 10:10:25PM +0800, Tao Ma wrote:
> On 03/23/2011 09:54 PM, Greg KH wrote:
> > On Wed, Mar 23, 2011 at 03:48:02PM +0800, Tao Ma wrote:
> >> Hi Greg,
> >> I just noticed this when I compile 2.6.32.33.
> >> In drivers/char/cyclades.c, function cyy_chip_tx may use info without
> >> initializing it. The case happens in
> >> if (channel + chip * 4 >= cinfo->nports) {
> >> we goto end and use info there. Will this corrupt something or is it
> >> just a false alarm?
> >
> > I do not know, was it fixed already in the main kernel.org tree? If so,
> > please let me know the git commit id.
> The reason why I didn't send you the git commit id is that I could't
> find this file in the latest linus'tree. :(
> So do you know how to find a git log for a missing file?
>
> But I just had another try and found another file
> drivers/tty/cyclades.c. So this file is moved by you in commit a6afd9f
> to the new place. ;)
>
> I just checked the log before your move, and found this commit, a357e77,
> which seems to resolve the the warning. But the commit log also shows
> that the situation can't happen actually. So maybe the patch isn't
> needed for stable tree. anyway, hope it helps for you.
If it can't happen, then no, it's not a problem.
thanks,
greg k-h
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