diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-11 10:44:13 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-11 10:44:13 -0700 |
| commit | 29bb1bdb260cd504c6ec0f567cc0cba6a4cf40e7 (patch) | |
| tree | 5091868c0aadabf85773a462ff5bd95cac28c434 /drivers/i2c/i2c-core.c | |
| parent | 3f1ae223902834d81b54b5d333f9efca07ad656b (diff) | |
| parent | 8ff69eebf5bf8a123a117b78412d5efb85765d8b (diff) | |
Merge branch 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6
* 'i2c-for-linus' of git://jdelvare.pck.nerim.net/jdelvare-2.6:
hwmon: (lm75) Drop legacy i2c driver
i2c: correct some size_t printk formats
i2c: Check for address business before creating clients
i2c: Let users select algorithm drivers manually again
i2c: Fix NULL pointer dereference in i2c_new_probed_device
i2c: Fix oops on bus multiplexer driver loading
Diffstat (limited to 'drivers/i2c/i2c-core.c')
| -rw-r--r-- | drivers/i2c/i2c-core.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 7bf38c418086..550853f79ae8 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -813,7 +813,12 @@ static int i2c_check_addr(struct i2c_adapter *adapter, int addr) int i2c_attach_client(struct i2c_client *client) { struct i2c_adapter *adapter = client->adapter; - int res = 0; + int res; + + /* Check for address business */ + res = i2c_check_addr(adapter, client->addr); + if (res) + return res; client->dev.parent = &client->adapter->dev; client->dev.bus = &i2c_bus_type; @@ -1451,9 +1456,11 @@ i2c_new_probed_device(struct i2c_adapter *adap, if ((addr_list[i] & ~0x07) == 0x30 || (addr_list[i] & ~0x0f) == 0x50 || !i2c_check_functionality(adap, I2C_FUNC_SMBUS_QUICK)) { + union i2c_smbus_data data; + if (i2c_smbus_xfer(adap, addr_list[i], 0, I2C_SMBUS_READ, 0, - I2C_SMBUS_BYTE, NULL) >= 0) + I2C_SMBUS_BYTE, &data) >= 0) break; } else { if (i2c_smbus_xfer(adap, addr_list[i], 0, |