diff options
| author | Ben Dooks <ben-linux@fluff.org> | 2008-11-03 14:49:01 +0000 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2008-11-03 14:49:01 +0000 |
| commit | e856359685143a2f65876e7db4e4aa0ef5dce7f0 (patch) | |
| tree | bbcafe7f23975979f7a2bc6fd1404908d5fd7bd1 /arch/sparc64/kernel/pci.c | |
| parent | e3bd9ec5d8bfc90f9e1bd995677829e57a404061 (diff) | |
| parent | 45beca08dd8b6d6a65c5ffd730af2eac7a2c7a03 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into s3c-moves2
Diffstat (limited to 'arch/sparc64/kernel/pci.c')
| -rw-r--r-- | arch/sparc64/kernel/pci.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c index 242ac1ccae7..bdb7c0a6d83 100644 --- a/arch/sparc64/kernel/pci.c +++ b/arch/sparc64/kernel/pci.c @@ -889,6 +889,7 @@ static int __pci_mmap_make_offset(struct pci_dev *pdev, for (i = 0; i <= PCI_ROM_RESOURCE; i++) { struct resource *rp = &pdev->resource[i]; + resource_size_t aligned_end; /* Active? */ if (!rp->flags) @@ -906,8 +907,15 @@ static int __pci_mmap_make_offset(struct pci_dev *pdev, continue; } + /* Align the resource end to the next page address. + * PAGE_SIZE intentionally added instead of (PAGE_SIZE - 1), + * because actually we need the address of the next byte + * after rp->end. + */ + aligned_end = (rp->end + PAGE_SIZE) & PAGE_MASK; + if ((rp->start <= user_paddr) && - (user_paddr + user_size) <= (rp->end + 1UL)) + (user_paddr + user_size) <= aligned_end) break; } |