diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-11-02 10:16:44 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-11-02 10:16:44 -0800 |
| commit | 0bf82cccd1e17135f880c161bc7926f5b25df34c (patch) | |
| tree | 45935237f81b08d34f52c7bf5fe8d3d3c6a8b11b /arch/sparc64/kernel/pci.c | |
| parent | 391e572cd1a63aee9c8d4c2d5e3dada91d86bc43 (diff) | |
| parent | 5769907ade8dda7002b304c03ef9e4ee5c1e0821 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
sparc64: Fix PCI resource mapping on sparc64
sparc64: Kill annoying warning when building compat_binfmt_elf.o
sparc32: kernel/trace/trace.c wants DIE_OOPS
sparc64: Fix __copy_{to,from}_user_inatomic defines.
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; } |