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| author | Jean Delvare <khali@linux-fr.org> | 2008-08-17 21:06:59 +0200 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2008-10-20 10:48:35 -0700 |
| commit | b41d6cf38e27a940d998d989526a9748de1bf028 (patch) | |
| tree | a2ae90005e000d4f9d16637171ff11dd31a4917a /Documentation/PCI | |
| parent | edbc25caaa492a82e19baa915f1f6b0a0db6554d (diff) | |
| download | lwn-b41d6cf38e27a940d998d989526a9748de1bf028.tar.gz lwn-b41d6cf38e27a940d998d989526a9748de1bf028.zip | |
PCI: Check dynids driver_data value for validity
Only accept dynids whose driver_data value matches one of the driver's
pci_driver_id entries. This prevents the user from accidentally passing
values the drivers do not expect.
Cc: Milton Miller <miltonm@bga.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'Documentation/PCI')
| -rw-r--r-- | Documentation/PCI/pci.txt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/PCI/pci.txt b/Documentation/PCI/pci.txt index 8d4dc6250c58..fd4907a2968c 100644 --- a/Documentation/PCI/pci.txt +++ b/Documentation/PCI/pci.txt @@ -163,6 +163,10 @@ need pass only as many optional fields as necessary: o class and classmask fields default to 0 o driver_data defaults to 0UL. +Note that driver_data must match the value used by any of the pci_device_id +entries defined in the driver. This makes the driver_data field mandatory +if all the pci_device_id entries have a non-zero driver_data value. + Once added, the driver probe routine will be invoked for any unclaimed PCI devices listed in its (newly updated) pci_ids list. |