Messages in this thread Patch in this message | | | Subject | [PATCH] regulator: Checking return value of of_get_regulator_init_data | From | Axel Lin <> | Date | Sat, 26 Nov 2011 20:19:19 +0800 |
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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> --- 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 716ea37..639e19d 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; -- 1.7.5.4
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