Messages in this thread | | | Subject | Re: [RFC][PATCH 3/6] SLIM main patch | From | Dave Hansen <> | Date | Fri, 14 Jul 2006 10:44:30 -0700 |
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On Fri, 2006-07-14 at 10:24 -0700, Kylene Jo Hall wrote: > +static void revoke_mmap_wperm(struct slm_file_xattr *cur_level) > +{ > + struct vm_area_struct *mpnt; > + struct file *file; > + struct dentry *dentry; > + struct slm_isec_data *isec; > + > + flush_cache_mm(current->mm); > + > + for (mpnt = current->mm->mmap; mpnt; mpnt = mpnt->vm_next) { > + file = mpnt->vm_file; > + if (!file) > + continue;
You need to hold the mmap_sem for read while walking this list.
-- Dave
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