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| author | kib <kib@FreeBSD.org> | 2014-03-12 16:38:55 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2014-03-12 16:38:55 +0000 |
| commit | 12c58a8fb0cf3c7c0f8bbce4e152b40e133f50ae (patch) | |
| tree | 5875276c67e38005e5b9e349b6d89190cafb9850 | |
| parent | 4f721683c98d9bb84b648c93084a19b214062634 (diff) | |
| download | FreeBSD-src-12c58a8fb0cf3c7c0f8bbce4e152b40e133f50ae.zip FreeBSD-src-12c58a8fb0cf3c7c0f8bbce4e152b40e133f50ae.tar.gz | |
Initialize paddr to handle the case of zero size.
Reported and reviewed by: Conrad Meyer <cemeyer@uw.edu>
MFC after: 1 week
| -rw-r--r-- | sys/vm/device_pager.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/vm/device_pager.c b/sys/vm/device_pager.c index 13491ba..4cd245a 100644 --- a/sys/vm/device_pager.c +++ b/sys/vm/device_pager.c @@ -414,6 +414,7 @@ old_dev_pager_ctor(void *handle, vm_ooffset_t size, vm_prot_t prot, * XXX assumes VM_PROT_* == PROT_* */ npages = OFF_TO_IDX(size); + paddr = 0; /* Make paddr initialized for the case of size == 0. */ for (off = foff; npages--; off += PAGE_SIZE) { if (csw->d_mmap(dev, off, &paddr, (int)prot, &dummy) != 0) { dev_relthread(dev, ref); |
