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regulator: Checking return value of of_get_regulator_init_data

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of_get_regulator_init_data() may return NULL, thus
check the return value to avoid NULL pointer dereference.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Lin 2011-11-26 20:19:19 +08:00 • committed by Mark Brown
parent e69af5e967
commit 4b864af1a3
1 changed files with 3 additions and 0 deletions
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3
drivers/regulator/fixed.c
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@ -64,6 +64,9 @@ struct fixed_voltage_config *of_get_fixed_voltage_config(struct device *dev)
return NULL;
config->init_data = of_get_regulator_init_data(dev);
if (!config->init_data)
return NULL;
init_data = config->init_data;
config->supply_name = init_data->constraints.name;