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| author | Axel Lin <axel.lin@gmail.com> | 2011-11-26 20:19:19 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2011-11-27 11:29:21 +0000 |
| commit | 4b864af1a370103148e34044670cd9913de5c1be (patch) | |
| tree | ed51d565ff600bb6f56385f21a974b0d1b6abac4 /drivers/regulator | |
| parent | e69af5e9677b1e5bf2a2432747ecd714aa537f2a (diff) | |
| download | lwn-4b864af1a370103148e34044670cd9913de5c1be.tar.gz lwn-4b864af1a370103148e34044670cd9913de5c1be.zip | |
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>
Diffstat (limited to 'drivers/regulator')
| -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 db90919f99c2..2997f11af905 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; |