diff options
Diffstat (limited to 'sys/vm/device_pager.c')
| -rw-r--r-- | sys/vm/device_pager.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/vm/device_pager.c b/sys/vm/device_pager.c index e771928..5e31e2b 100644 --- a/sys/vm/device_pager.c +++ b/sys/vm/device_pager.c @@ -214,6 +214,8 @@ dev_pager_getpages(object, m, count, reqpage) int i, ret; int prot; struct cdevsw *csw; + struct thread *td; + struct file *fpop; VM_OBJECT_LOCK_ASSERT(object, MA_OWNED); dev = object->handle; @@ -224,8 +226,12 @@ dev_pager_getpages(object, m, count, reqpage) panic("dev_pager_getpage: no cdevsw"); prot = PROT_READ; /* XXX should pass in? */ + td = curthread; + fpop = td->td_fpop; + td->td_fpop = NULL; ret = (*csw->d_mmap)(dev, (vm_offset_t)offset << PAGE_SHIFT, &paddr, prot); KASSERT(ret == 0, ("dev_pager_getpage: map function returns error")); + td->td_fpop = fpop; dev_relthread(dev); if ((m[reqpage]->flags & PG_FICTITIOUS) != 0) { |
