diff options
| author | Jean Delvare <khali@linux-fr.org> | 2008-08-17 21:06:59 +0200 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@virtuousgeek.org> | 2008-10-20 19:48:35 +0200 |
| commit | b41d6cf38e27a940d998d989526a9748de1bf028 (patch) | |
| tree | a2ae90005e000d4f9d16637171ff11dd31a4917a /drivers/i2c | |
| parent | PCI: remove dynids.use_driver_data (diff) | |
| download | linux-b41d6cf38e27a940d998d989526a9748de1bf028.tar.xz linux-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 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-amd756.c | 4 | ||||
| -rw-r--r-- | drivers/i2c/busses/i2c-viapro.c | 4 |
2 files changed, 0 insertions, 8 deletions
diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c index a3542b053c8e..424dad6f18d8 100644 --- a/drivers/i2c/busses/i2c-amd756.c +++ b/drivers/i2c/busses/i2c-amd756.c @@ -332,10 +332,6 @@ static int __devinit amd756_probe(struct pci_dev *pdev, int error; u8 temp; - /* driver_data might come from user-space, so check it */ - if (id->driver_data >= ARRAY_SIZE(chipname)) - return -EINVAL; - if (amd756_ioport) { dev_err(&pdev->dev, "Only one device supported " "(you have a strange motherboard, btw)\n"); diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c index 2324780484c0..9f194d9efd91 100644 --- a/drivers/i2c/busses/i2c-viapro.c +++ b/drivers/i2c/busses/i2c-viapro.c @@ -332,10 +332,6 @@ static int __devinit vt596_probe(struct pci_dev *pdev, unsigned char temp; int error = -ENODEV; - /* driver_data might come from user-space, so check it */ - if (id->driver_data & 1 || id->driver_data > 0xff) - return -EINVAL; - /* Determine the address of the SMBus areas */ if (force_addr) { vt596_smba = force_addr & 0xfff0; |