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author | Axel Lin <axel.lin@gmail.com> | 2011-11-26 20:19:19 +0800 |
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committer | Eric Miao <eric.miao@linaro.org> | 2012-01-11 21:45:33 +0800 |
commit | 696e47632a829950a7a41b1d36b672a1da571fdf (patch) | |
tree | 9292f1e62c1e57a229006bfc19de1d9c707fc039 | |
parent | 4430f862c8b28421bd23b633548fb8581954d105 (diff) | |
download | linux-linaro-696e47632a829950a7a41b1d36b672a1da571fdf.tar.gz |
regulator: Checking return value of of_get_regulator_init_data
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>
-rw-r--r-- | drivers/regulator/fixed.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index db90919f99c..2997f11af90 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c @@ -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; |