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| author | David S. Miller <davem@davemloft.net> | 2006-02-20 01:42:51 -0800 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-03-20 01:13:45 -0800 |
| commit | d82965c16781a7c5b8508c3784ba10bbeef34ff4 (patch) | |
| tree | fb2510731dc418c3271edfc50fec75c80a035ae6 /arch/sparc64/kernel/pci_sun4v.c | |
| parent | abf3b7bd89c11492b145e338913c0b511084cff7 (diff) | |
| download | blackbird-op-linux-d82965c16781a7c5b8508c3784ba10bbeef34ff4.tar.gz blackbird-op-linux-d82965c16781a7c5b8508c3784ba10bbeef34ff4.zip | |
[SPARC64]: Handle zero-length map requests in pci_sun4v.c
By simply changing the do-while loop into a plain
while loop.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64/kernel/pci_sun4v.c')
| -rw-r--r-- | arch/sparc64/kernel/pci_sun4v.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index d9ef0c7580ea..a9c44c0ae0a7 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -57,7 +57,7 @@ static long pci_iommu_batch_flush(struct pci_iommu_batch *p) u64 *pglist = p->pglist; unsigned long npages = p->npages; - do { + while (npages != 0) { long num; num = pci_sun4v_iommu_map(devhandle, HV_PCI_TSBID(0, entry), @@ -75,7 +75,7 @@ static long pci_iommu_batch_flush(struct pci_iommu_batch *p) entry += num; npages -= num; pglist += num; - } while (npages != 0); + } p->entry = entry; p->npages = 0; |
