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Date: Sat, 26 Nov 2011 20:19:19 +0800 From: Axel Lin <axel.lin@...il.com> To: linux-kernel@...r.kernel.org Cc: Rajendra Nayak <rnayak@...com>, Liam Girdwood <lrg@...com>, Mark Brown <broonie@...nsource.wolfsonmicro.com> Subject: [PATCH] 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@...il.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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