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authorLen Brown <len.brown@intel.com>2008-10-22 23:57:26 -0400
committerLen Brown <len.brown@intel.com>2008-10-23 00:11:07 -0400
commit057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch)
tree4333e608da237c73ff69b10878025cca96dcb4c8 /drivers/pci/pci-driver.c
parent3e2dab9a1c2deb03c311eb3f83466009147ed4d3 (diff)
parent2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff)
downloadtalos-obmc-linux-057316cc6a5b521b332a1d7ccc871cd60c904c74.tar.gz
talos-obmc-linux-057316cc6a5b521b332a1d7ccc871cd60c904c74.zip
Merge branch 'linus' into test
Conflicts: MAINTAINERS arch/x86/kernel/acpi/boot.c arch/x86/kernel/acpi/sleep.c drivers/acpi/Kconfig drivers/pnp/Makefile drivers/pnp/quirks.c Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/pci/pci-driver.c')
-rw-r--r--drivers/pci/pci-driver.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index a13f53486114..b4cdd690ae71 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -43,18 +43,32 @@ store_new_id(struct device_driver *driver, const char *buf, size_t count)
{
struct pci_dynid *dynid;
struct pci_driver *pdrv = to_pci_driver(driver);
+ const struct pci_device_id *ids = pdrv->id_table;
__u32 vendor, device, subvendor=PCI_ANY_ID,
subdevice=PCI_ANY_ID, class=0, class_mask=0;
unsigned long driver_data=0;
int fields=0;
- int retval = 0;
+ int retval;
- fields = sscanf(buf, "%x %x %x %x %x %x %lux",
+ fields = sscanf(buf, "%x %x %x %x %x %x %lx",
&vendor, &device, &subvendor, &subdevice,
&class, &class_mask, &driver_data);
if (fields < 2)
return -EINVAL;
+ /* Only accept driver_data values that match an existing id_table
+ entry */
+ retval = -EINVAL;
+ while (ids->vendor || ids->subvendor || ids->class_mask) {
+ if (driver_data == ids->driver_data) {
+ retval = 0;
+ break;
+ }
+ ids++;
+ }
+ if (retval) /* No match */
+ return retval;
+
dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
if (!dynid)
return -ENOMEM;
@@ -65,8 +79,7 @@ store_new_id(struct device_driver *driver, const char *buf, size_t count)
dynid->id.subdevice = subdevice;
dynid->id.class = class;
dynid->id.class_mask = class_mask;
- dynid->id.driver_data = pdrv->dynids.use_driver_data ?
- driver_data : 0UL;
+ dynid->id.driver_data = driver_data;
spin_lock(&pdrv->dynids.lock);
list_add_tail(&dynid->node, &pdrv->dynids.list);
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