On Tue, Jun 02, 2015 at 03:45:18PM +0200, Joerg Roedel wrote:
> On Tue, Jun 02, 2015 at 01:09:58PM +0300, Dan Carpenter wrote:
> > Smatch found some error paths that don't unlock. Also we can return
> > -ENOMEM instead of -1 if we don't have an old root entry.
> >
> > Fixes: 5908f10af4b9 ('iommu/vt-d: datatypes and functions used for kdump')
> > Signed-off-by: Dan Carpenter <[email protected]>
>
> Applied, thanks.
>
> > Releasing the lock is good, but we might need to do other error handling
> > as well. Presumably this function always succeeds anyway? It seems
> > like it might be essential for booting.
>
> What do you mean by 'other error handling'? In error case a negative
> value is returned and the caller checks that.
I was just worried we should call __iommu_free_mapped_mem() or
something. I don't know this code very well is what I'm saying...
regards,
dan carpenter
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