diff options
| author | merge <null@invalid> | 2009-01-22 13:55:32 +0000 |
|---|---|---|
| committer | Andy Green <agreen@octopus.localdomain> | 2009-01-22 13:55:32 +0000 |
| commit | aa6f5ffbdba45aa8e19e5048648fc6c7b25376d3 (patch) | |
| tree | fbb786d0ac6f8a774fd834e9ce951197e60fbffa /drivers/pci/proc.c | |
| parent | f2d78193eae5dccd3d588d2c8ea0866efc368332 (diff) | |
MERGE-via-pending-tracking-hist-MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141
pending-tracking-hist top was MERGE-via-stable-tracking-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040-1232632141 / fdf777a63bcb59e0dfd78bfe2c6242e01f6d4eb9 ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-stable-tracking-hist-MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040
stable-tracking-hist top was MERGE-via-mokopatches-tracking-fix-stray-endmenu-patch-1232632040 / 90463bfd2d5a3c8b52f6e6d71024a00e052b0ced ... parent commitmessage:
From: merge <null@invalid>
MERGE-via-mokopatches-tracking-hist-fix-stray-endmenu-patch
mokopatches-tracking-hist top was fix-stray-endmenu-patch / 3630e0be570de8057e7f8d2fe501ed353cdf34e6 ... parent commitmessage:
From: Andy Green <andy@openmoko.com>
fix-stray-endmenu.patch
Signed-off-by: Andy Green <andy@openmoko.com>
Diffstat (limited to 'drivers/pci/proc.c')
| -rw-r--r-- | drivers/pci/proc.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index e1098c302c4..593bb844b8d 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -252,11 +252,20 @@ static int proc_bus_pci_mmap(struct file *file, struct vm_area_struct *vma) const struct proc_dir_entry *dp = PDE(inode); struct pci_dev *dev = dp->data; struct pci_filp_private *fpriv = file->private_data; - int ret; + int i, ret; if (!capable(CAP_SYS_RAWIO)) return -EPERM; + /* Make sure the caller is mapping a real resource for this device */ + for (i = 0; i < PCI_ROM_RESOURCE; i++) { + if (pci_mmap_fits(dev, i, vma)) + break; + } + + if (i >= PCI_ROM_RESOURCE) + return -ENODEV; + ret = pci_mmap_page_range(dev, vma, fpriv->mmap_state, fpriv->write_combine); @@ -352,15 +361,16 @@ static int show_device(struct seq_file *m, void *v) dev->vendor, dev->device, dev->irq); - /* Here should be 7 and not PCI_NUM_RESOURCES as we need to preserve compatibility */ - for (i=0; i<7; i++) { + + /* only print standard and ROM resources to preserve compatibility */ + for (i = 0; i <= PCI_ROM_RESOURCE; i++) { resource_size_t start, end; pci_resource_to_user(dev, i, &dev->resource[i], &start, &end); seq_printf(m, "\t%16llx", (unsigned long long)(start | (dev->resource[i].flags & PCI_REGION_FLAG_MASK))); } - for (i=0; i<7; i++) { + for (i = 0; i <= PCI_ROM_RESOURCE; i++) { resource_size_t start, end; pci_resource_to_user(dev, i, &dev->resource[i], &start, &end); seq_printf(m, "\t%16llx", |