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of/i2c: call i2c_verify_client from of_find_i2c_device_by_node 

i2c_bus_type may contain both I2C clients and I2C adapters. Fix
of_find_i2c_device_by_node to call i2c_verify_client to ensure that it
only returns non-NULL of I2C clients.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
This commit is contained in:
Stephen Warren 2012-04-17 12:42:15 -06:00 committed by Wolfram Sang
parent e1fac69f3b
commit d9afca37de
1 changed files with 1 additions and 1 deletions
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2
drivers/of/of_i2c.c
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@ -90,7 +90,7 @@ struct i2c_client *of_find_i2c_device_by_node(struct device_node *node)
if (!dev)
return NULL;
return to_i2c_client(dev);
return i2c_verify_client(dev);
}
EXPORT_SYMBOL(of_find_i2c_device_by_node);